/*
* Copyright(c) 2019 Intel Corporation
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at https://www.aomedia.org/license/software-license. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at https://www.aomedia.org/license/patent-license.
*/

#ifndef EbCoefficients_h
#define EbCoefficients_h

#include "definitions.h"
#include "coefficients.h"
#include "cabac_context_model.h"

#ifdef __cplusplus
extern "C" {
#endif

#define MAX_NEIGHBORS 2

#define default_scan_32x64 default_scan_32x32
#define default_scan_64x32 default_scan_32x32
#define default_scan_64x64 default_scan_32x32
#define default_scan_16x64 default_scan_16x32
#define default_scan_64x16 default_scan_32x16
#define default_scan_32x64_neighbors default_scan_32x32_neighbors
#define default_scan_64x32_neighbors default_scan_32x32_neighbors
#define default_scan_64x64_neighbors default_scan_32x32_neighbors
#define default_scan_16x64_neighbors default_scan_16x32_neighbors
#define default_scan_64x16_neighbors default_scan_32x16_neighbors

#define NZ_MAP_CTX_0 SIG_COEF_CONTEXTS_2D
#define NZ_MAP_CTX_5 (NZ_MAP_CTX_0 + 5)
#define NZ_MAP_CTX_10 (NZ_MAP_CTX_0 + 10)

static const int nz_map_ctx_offset_1d[32] = {
    NZ_MAP_CTX_0,  NZ_MAP_CTX_5,  NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10,
    NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10,
    NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10,
    NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10,
    NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10, NZ_MAP_CTX_10,
};

DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x4[16]) = {
    0,
    4,
    8,
    12,
    1,
    5,
    9,
    13,
    2,
    6,
    10,
    14,
    3,
    7,
    11,
    15,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x4[16]) = {
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9,
    10,
    11,
    12,
    13,
    14,
    15,
};

DECLARE_ALIGNED(16, static const int16_t, default_scan_4x4[16]) = {
    0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_4x4[16]) = {
    0, 1, 5, 6, 2, 4, 7, 12, 3, 8, 11, 13, 9, 10, 14, 15};

DECLARE_ALIGNED(16, static const int16_t, default_scan_4x8[32]) = {
    0,  1,  4,  2,  5,  8,  3,  6,  9,  12, 7,  10, 13, 16, 11, 14,
    17, 20, 15, 18, 21, 24, 19, 22, 25, 28, 23, 26, 29, 27, 30, 31,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x8[32]) = {
    0, 4, 8,  12, 16, 20, 24, 28, 1, 5, 9,  13, 17, 21, 25, 29,
    2, 6, 10, 14, 18, 22, 26, 30, 3, 7, 11, 15, 19, 23, 27, 31,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x8[32]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15,
    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x4[32]) = {
    0,  8, 1,  16, 9,  2, 24, 17, 10, 3, 25, 18, 11, 4,  26, 19,
    12, 5, 27, 20, 13, 6, 28, 21, 14, 7, 29, 22, 15, 30, 23, 31,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x4[32]) = {
    0, 8,  16, 24, 1, 9,  17, 25, 2, 10, 18, 26, 3, 11, 19, 27,
    4, 12, 20, 28, 5, 13, 21, 29, 6, 14, 22, 30, 7, 15, 23, 31,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x4[32]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15,
    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_4x16[64]) = {
    0,  1,  4,  2,  5,  8,  3,  6,  9,  12, 7,  10, 13, 16, 11, 14, 17, 20, 15, 18, 21, 24,
    19, 22, 25, 28, 23, 26, 29, 32, 27, 30, 33, 36, 31, 34, 37, 40, 35, 38, 41, 44, 39, 42,
    45, 48, 43, 46, 49, 52, 47, 50, 53, 56, 51, 54, 57, 60, 55, 58, 61, 59, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x4[64]) = {
    0,  16, 1,  32, 17, 2,  48, 33, 18, 3,  49, 34, 19, 4,  50, 35, 20, 5,  51, 36, 21, 6,
    52, 37, 22, 7,  53, 38, 23, 8,  54, 39, 24, 9,  55, 40, 25, 10, 56, 41, 26, 11, 57, 42,
    27, 12, 58, 43, 28, 13, 59, 44, 29, 14, 60, 45, 30, 15, 61, 46, 31, 62, 47, 63,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x16[64]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
    22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
    44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x4[64]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
    22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
    44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x16[64]) = {
    0,  4,  8,  12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 1,  5,  9,  13, 17, 21,
    25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 2,  6,  10, 14, 18, 22, 26, 30, 34, 38, 42, 46,
    50, 54, 58, 62, 3,  7,  11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x4[64]) = {
    0,  16, 32, 48, 1,  17, 33, 49, 2,  18, 34, 50, 3,  19, 35, 51, 4,  20, 36, 52, 5,  21,
    37, 53, 6,  22, 38, 54, 7,  23, 39, 55, 8,  24, 40, 56, 9,  25, 41, 57, 10, 26, 42, 58,
    11, 27, 43, 59, 12, 28, 44, 60, 13, 29, 45, 61, 14, 30, 46, 62, 15, 31, 47, 63,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x32[256]) = {
    0,   1,   8,   2,   9,   16,  3,   10,  17,  24,  4,   11,  18,  25,  32,  5,   12,  19,  26,  33,  40,  6,
    13,  20,  27,  34,  41,  48,  7,   14,  21,  28,  35,  42,  49,  56,  15,  22,  29,  36,  43,  50,  57,  64,
    23,  30,  37,  44,  51,  58,  65,  72,  31,  38,  45,  52,  59,  66,  73,  80,  39,  46,  53,  60,  67,  74,
    81,  88,  47,  54,  61,  68,  75,  82,  89,  96,  55,  62,  69,  76,  83,  90,  97,  104, 63,  70,  77,  84,
    91,  98,  105, 112, 71,  78,  85,  92,  99,  106, 113, 120, 79,  86,  93,  100, 107, 114, 121, 128, 87,  94,
    101, 108, 115, 122, 129, 136, 95,  102, 109, 116, 123, 130, 137, 144, 103, 110, 117, 124, 131, 138, 145, 152,
    111, 118, 125, 132, 139, 146, 153, 160, 119, 126, 133, 140, 147, 154, 161, 168, 127, 134, 141, 148, 155, 162,
    169, 176, 135, 142, 149, 156, 163, 170, 177, 184, 143, 150, 157, 164, 171, 178, 185, 192, 151, 158, 165, 172,
    179, 186, 193, 200, 159, 166, 173, 180, 187, 194, 201, 208, 167, 174, 181, 188, 195, 202, 209, 216, 175, 182,
    189, 196, 203, 210, 217, 224, 183, 190, 197, 204, 211, 218, 225, 232, 191, 198, 205, 212, 219, 226, 233, 240,
    199, 206, 213, 220, 227, 234, 241, 248, 207, 214, 221, 228, 235, 242, 249, 215, 222, 229, 236, 243, 250, 223,
    230, 237, 244, 251, 231, 238, 245, 252, 239, 246, 253, 247, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_32x8[256]) = {
    0,   32,  1,   64,  33,  2,   96,  65,  34,  3,   128, 97,  66,  35,  4,   160, 129, 98,  67,  36,  5,   192,
    161, 130, 99,  68,  37,  6,   224, 193, 162, 131, 100, 69,  38,  7,   225, 194, 163, 132, 101, 70,  39,  8,
    226, 195, 164, 133, 102, 71,  40,  9,   227, 196, 165, 134, 103, 72,  41,  10,  228, 197, 166, 135, 104, 73,
    42,  11,  229, 198, 167, 136, 105, 74,  43,  12,  230, 199, 168, 137, 106, 75,  44,  13,  231, 200, 169, 138,
    107, 76,  45,  14,  232, 201, 170, 139, 108, 77,  46,  15,  233, 202, 171, 140, 109, 78,  47,  16,  234, 203,
    172, 141, 110, 79,  48,  17,  235, 204, 173, 142, 111, 80,  49,  18,  236, 205, 174, 143, 112, 81,  50,  19,
    237, 206, 175, 144, 113, 82,  51,  20,  238, 207, 176, 145, 114, 83,  52,  21,  239, 208, 177, 146, 115, 84,
    53,  22,  240, 209, 178, 147, 116, 85,  54,  23,  241, 210, 179, 148, 117, 86,  55,  24,  242, 211, 180, 149,
    118, 87,  56,  25,  243, 212, 181, 150, 119, 88,  57,  26,  244, 213, 182, 151, 120, 89,  58,  27,  245, 214,
    183, 152, 121, 90,  59,  28,  246, 215, 184, 153, 122, 91,  60,  29,  247, 216, 185, 154, 123, 92,  61,  30,
    248, 217, 186, 155, 124, 93,  62,  31,  249, 218, 187, 156, 125, 94,  63,  250, 219, 188, 157, 126, 95,  251,
    220, 189, 158, 127, 252, 221, 190, 159, 253, 222, 191, 254, 223, 255,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x32[256]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
    132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
    154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
    176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
    198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
    220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
    242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x8[256]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
    132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
    154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
    176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
    198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
    220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
    242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x32[256]) = {
    0,   8,   16,  24,  32,  40,  48,  56,  64,  72,  80,  88,  96,  104, 112, 120, 128, 136, 144, 152, 160, 168,
    176, 184, 192, 200, 208, 216, 224, 232, 240, 248, 1,   9,   17,  25,  33,  41,  49,  57,  65,  73,  81,  89,
    97,  105, 113, 121, 129, 137, 145, 153, 161, 169, 177, 185, 193, 201, 209, 217, 225, 233, 241, 249, 2,   10,
    18,  26,  34,  42,  50,  58,  66,  74,  82,  90,  98,  106, 114, 122, 130, 138, 146, 154, 162, 170, 178, 186,
    194, 202, 210, 218, 226, 234, 242, 250, 3,   11,  19,  27,  35,  43,  51,  59,  67,  75,  83,  91,  99,  107,
    115, 123, 131, 139, 147, 155, 163, 171, 179, 187, 195, 203, 211, 219, 227, 235, 243, 251, 4,   12,  20,  28,
    36,  44,  52,  60,  68,  76,  84,  92,  100, 108, 116, 124, 132, 140, 148, 156, 164, 172, 180, 188, 196, 204,
    212, 220, 228, 236, 244, 252, 5,   13,  21,  29,  37,  45,  53,  61,  69,  77,  85,  93,  101, 109, 117, 125,
    133, 141, 149, 157, 165, 173, 181, 189, 197, 205, 213, 221, 229, 237, 245, 253, 6,   14,  22,  30,  38,  46,
    54,  62,  70,  78,  86,  94,  102, 110, 118, 126, 134, 142, 150, 158, 166, 174, 182, 190, 198, 206, 214, 222,
    230, 238, 246, 254, 7,   15,  23,  31,  39,  47,  55,  63,  71,  79,  87,  95,  103, 111, 119, 127, 135, 143,
    151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, 247, 255,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x8[256]) = {
    0,  32, 64, 96,  128, 160, 192, 224, 1,  33, 65, 97,  129, 161, 193, 225, 2,  34, 66, 98,  130, 162, 194, 226,
    3,  35, 67, 99,  131, 163, 195, 227, 4,  36, 68, 100, 132, 164, 196, 228, 5,  37, 69, 101, 133, 165, 197, 229,
    6,  38, 70, 102, 134, 166, 198, 230, 7,  39, 71, 103, 135, 167, 199, 231, 8,  40, 72, 104, 136, 168, 200, 232,
    9,  41, 73, 105, 137, 169, 201, 233, 10, 42, 74, 106, 138, 170, 202, 234, 11, 43, 75, 107, 139, 171, 203, 235,
    12, 44, 76, 108, 140, 172, 204, 236, 13, 45, 77, 109, 141, 173, 205, 237, 14, 46, 78, 110, 142, 174, 206, 238,
    15, 47, 79, 111, 143, 175, 207, 239, 16, 48, 80, 112, 144, 176, 208, 240, 17, 49, 81, 113, 145, 177, 209, 241,
    18, 50, 82, 114, 146, 178, 210, 242, 19, 51, 83, 115, 147, 179, 211, 243, 20, 52, 84, 116, 148, 180, 212, 244,
    21, 53, 85, 117, 149, 181, 213, 245, 22, 54, 86, 118, 150, 182, 214, 246, 23, 55, 87, 119, 151, 183, 215, 247,
    24, 56, 88, 120, 152, 184, 216, 248, 25, 57, 89, 121, 153, 185, 217, 249, 26, 58, 90, 122, 154, 186, 218, 250,
    27, 59, 91, 123, 155, 187, 219, 251, 28, 60, 92, 124, 156, 188, 220, 252, 29, 61, 93, 125, 157, 189, 221, 253,
    30, 62, 94, 126, 158, 190, 222, 254, 31, 63, 95, 127, 159, 191, 223, 255,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x8[64]) = {
    0,  1,  8,  16, 9,  2,  3,  10, 17, 24, 32, 25, 18, 11, 4,  5,  12, 19, 26, 33, 40, 48,
    41, 34, 27, 20, 13, 6,  7,  14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23,
    30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x8[64]) = {
    0,  8,  16, 24, 32, 40, 48, 56, 1,  9,  17, 25, 33, 41, 49, 57, 2,  10, 18, 26, 34, 42,
    50, 58, 3,  11, 19, 27, 35, 43, 51, 59, 4,  12, 20, 28, 36, 44, 52, 60, 5,  13, 21, 29,
    37, 45, 53, 61, 6,  14, 22, 30, 38, 46, 54, 62, 7,  15, 23, 31, 39, 47, 55, 63,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x8[64]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
    22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
    44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x16[128]) = {
    0,   1,   8,   2,   9,   16,  3,   10,  17,  24,  4,   11,  18,  25,  32,  5,   12,  19,  26,  33, 40, 6,
    13,  20,  27,  34,  41,  48,  7,   14,  21,  28,  35,  42,  49,  56,  15,  22,  29,  36,  43,  50, 57, 64,
    23,  30,  37,  44,  51,  58,  65,  72,  31,  38,  45,  52,  59,  66,  73,  80,  39,  46,  53,  60, 67, 74,
    81,  88,  47,  54,  61,  68,  75,  82,  89,  96,  55,  62,  69,  76,  83,  90,  97,  104, 63,  70, 77, 84,
    91,  98,  105, 112, 71,  78,  85,  92,  99,  106, 113, 120, 79,  86,  93,  100, 107, 114, 121, 87, 94, 101,
    108, 115, 122, 95,  102, 109, 116, 123, 103, 110, 117, 124, 111, 118, 125, 119, 126, 127,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x8[128]) = {
    0,   16, 1,   32,  17,  2,   48,  33, 18,  3,   64,  49,  34,  19,  4,   80,  65,  50,  35,  20,  5,   96,
    81,  66, 51,  36,  21,  6,   112, 97, 82,  67,  52,  37,  22,  7,   113, 98,  83,  68,  53,  38,  23,  8,
    114, 99, 84,  69,  54,  39,  24,  9,  115, 100, 85,  70,  55,  40,  25,  10,  116, 101, 86,  71,  56,  41,
    26,  11, 117, 102, 87,  72,  57,  42, 27,  12,  118, 103, 88,  73,  58,  43,  28,  13,  119, 104, 89,  74,
    59,  44, 29,  14,  120, 105, 90,  75, 60,  45,  30,  15,  121, 106, 91,  76,  61,  46,  31,  122, 107, 92,
    77,  62, 47,  123, 108, 93,  78,  63, 124, 109, 94,  79,  125, 110, 95,  126, 111, 127,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x16[128]) = {
    0,   8,   16,  24,  32,  40,  48,  56,  64,  72,  80,  88,  96,  104, 112, 120, 1,   9,   17,  25,  33,  41,
    49,  57,  65,  73,  81,  89,  97,  105, 113, 121, 2,   10,  18,  26,  34,  42,  50,  58,  66,  74,  82,  90,
    98,  106, 114, 122, 3,   11,  19,  27,  35,  43,  51,  59,  67,  75,  83,  91,  99,  107, 115, 123, 4,   12,
    20,  28,  36,  44,  52,  60,  68,  76,  84,  92,  100, 108, 116, 124, 5,   13,  21,  29,  37,  45,  53,  61,
    69,  77,  85,  93,  101, 109, 117, 125, 6,   14,  22,  30,  38,  46,  54,  62,  70,  78,  86,  94,  102, 110,
    118, 126, 7,   15,  23,  31,  39,  47,  55,  63,  71,  79,  87,  95,  103, 111, 119, 127,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x8[128]) = {
    0,   16,  32,  48,  64,  80,  96,  112, 1,   17,  33,  49,  65,  81,  97,  113, 2,   18,  34,  50,  66,  82,
    98,  114, 3,   19,  35,  51,  67,  83,  99,  115, 4,   20,  36,  52,  68,  84,  100, 116, 5,   21,  37,  53,
    69,  85,  101, 117, 6,   22,  38,  54,  70,  86,  102, 118, 7,   23,  39,  55,  71,  87,  103, 119, 8,   24,
    40,  56,  72,  88,  104, 120, 9,   25,  41,  57,  73,  89,  105, 121, 10,  26,  42,  58,  74,  90,  106, 122,
    11,  27,  43,  59,  75,  91,  107, 123, 12,  28,  44,  60,  76,  92,  108, 124, 13,  29,  45,  61,  77,  93,
    109, 125, 14,  30,  46,  62,  78,  94,  110, 126, 15,  31,  47,  63,  79,  95,  111, 127,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x16[128]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x8[128]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x32[512]) = {
    0,   1,   16,  2,   17,  32,  3,   18,  33,  48,  4,   19,  34,  49,  64,  5,   20,  35,  50,  65,  80,  6,   21,
    36,  51,  66,  81,  96,  7,   22,  37,  52,  67,  82,  97,  112, 8,   23,  38,  53,  68,  83,  98,  113, 128, 9,
    24,  39,  54,  69,  84,  99,  114, 129, 144, 10,  25,  40,  55,  70,  85,  100, 115, 130, 145, 160, 11,  26,  41,
    56,  71,  86,  101, 116, 131, 146, 161, 176, 12,  27,  42,  57,  72,  87,  102, 117, 132, 147, 162, 177, 192, 13,
    28,  43,  58,  73,  88,  103, 118, 133, 148, 163, 178, 193, 208, 14,  29,  44,  59,  74,  89,  104, 119, 134, 149,
    164, 179, 194, 209, 224, 15,  30,  45,  60,  75,  90,  105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 31,  46,
    61,  76,  91,  106, 121, 136, 151, 166, 181, 196, 211, 226, 241, 256, 47,  62,  77,  92,  107, 122, 137, 152, 167,
    182, 197, 212, 227, 242, 257, 272, 63,  78,  93,  108, 123, 138, 153, 168, 183, 198, 213, 228, 243, 258, 273, 288,
    79,  94,  109, 124, 139, 154, 169, 184, 199, 214, 229, 244, 259, 274, 289, 304, 95,  110, 125, 140, 155, 170, 185,
    200, 215, 230, 245, 260, 275, 290, 305, 320, 111, 126, 141, 156, 171, 186, 201, 216, 231, 246, 261, 276, 291, 306,
    321, 336, 127, 142, 157, 172, 187, 202, 217, 232, 247, 262, 277, 292, 307, 322, 337, 352, 143, 158, 173, 188, 203,
    218, 233, 248, 263, 278, 293, 308, 323, 338, 353, 368, 159, 174, 189, 204, 219, 234, 249, 264, 279, 294, 309, 324,
    339, 354, 369, 384, 175, 190, 205, 220, 235, 250, 265, 280, 295, 310, 325, 340, 355, 370, 385, 400, 191, 206, 221,
    236, 251, 266, 281, 296, 311, 326, 341, 356, 371, 386, 401, 416, 207, 222, 237, 252, 267, 282, 297, 312, 327, 342,
    357, 372, 387, 402, 417, 432, 223, 238, 253, 268, 283, 298, 313, 328, 343, 358, 373, 388, 403, 418, 433, 448, 239,
    254, 269, 284, 299, 314, 329, 344, 359, 374, 389, 404, 419, 434, 449, 464, 255, 270, 285, 300, 315, 330, 345, 360,
    375, 390, 405, 420, 435, 450, 465, 480, 271, 286, 301, 316, 331, 346, 361, 376, 391, 406, 421, 436, 451, 466, 481,
    496, 287, 302, 317, 332, 347, 362, 377, 392, 407, 422, 437, 452, 467, 482, 497, 303, 318, 333, 348, 363, 378, 393,
    408, 423, 438, 453, 468, 483, 498, 319, 334, 349, 364, 379, 394, 409, 424, 439, 454, 469, 484, 499, 335, 350, 365,
    380, 395, 410, 425, 440, 455, 470, 485, 500, 351, 366, 381, 396, 411, 426, 441, 456, 471, 486, 501, 367, 382, 397,
    412, 427, 442, 457, 472, 487, 502, 383, 398, 413, 428, 443, 458, 473, 488, 503, 399, 414, 429, 444, 459, 474, 489,
    504, 415, 430, 445, 460, 475, 490, 505, 431, 446, 461, 476, 491, 506, 447, 462, 477, 492, 507, 463, 478, 493, 508,
    479, 494, 509, 495, 510, 511,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_32x16[512]) = {
    0,   32,  1,   64,  33,  2,   96,  65,  34,  3,   128, 97,  66,  35,  4,   160, 129, 98,  67,  36,  5,   192, 161,
    130, 99,  68,  37,  6,   224, 193, 162, 131, 100, 69,  38,  7,   256, 225, 194, 163, 132, 101, 70,  39,  8,   288,
    257, 226, 195, 164, 133, 102, 71,  40,  9,   320, 289, 258, 227, 196, 165, 134, 103, 72,  41,  10,  352, 321, 290,
    259, 228, 197, 166, 135, 104, 73,  42,  11,  384, 353, 322, 291, 260, 229, 198, 167, 136, 105, 74,  43,  12,  416,
    385, 354, 323, 292, 261, 230, 199, 168, 137, 106, 75,  44,  13,  448, 417, 386, 355, 324, 293, 262, 231, 200, 169,
    138, 107, 76,  45,  14,  480, 449, 418, 387, 356, 325, 294, 263, 232, 201, 170, 139, 108, 77,  46,  15,  481, 450,
    419, 388, 357, 326, 295, 264, 233, 202, 171, 140, 109, 78,  47,  16,  482, 451, 420, 389, 358, 327, 296, 265, 234,
    203, 172, 141, 110, 79,  48,  17,  483, 452, 421, 390, 359, 328, 297, 266, 235, 204, 173, 142, 111, 80,  49,  18,
    484, 453, 422, 391, 360, 329, 298, 267, 236, 205, 174, 143, 112, 81,  50,  19,  485, 454, 423, 392, 361, 330, 299,
    268, 237, 206, 175, 144, 113, 82,  51,  20,  486, 455, 424, 393, 362, 331, 300, 269, 238, 207, 176, 145, 114, 83,
    52,  21,  487, 456, 425, 394, 363, 332, 301, 270, 239, 208, 177, 146, 115, 84,  53,  22,  488, 457, 426, 395, 364,
    333, 302, 271, 240, 209, 178, 147, 116, 85,  54,  23,  489, 458, 427, 396, 365, 334, 303, 272, 241, 210, 179, 148,
    117, 86,  55,  24,  490, 459, 428, 397, 366, 335, 304, 273, 242, 211, 180, 149, 118, 87,  56,  25,  491, 460, 429,
    398, 367, 336, 305, 274, 243, 212, 181, 150, 119, 88,  57,  26,  492, 461, 430, 399, 368, 337, 306, 275, 244, 213,
    182, 151, 120, 89,  58,  27,  493, 462, 431, 400, 369, 338, 307, 276, 245, 214, 183, 152, 121, 90,  59,  28,  494,
    463, 432, 401, 370, 339, 308, 277, 246, 215, 184, 153, 122, 91,  60,  29,  495, 464, 433, 402, 371, 340, 309, 278,
    247, 216, 185, 154, 123, 92,  61,  30,  496, 465, 434, 403, 372, 341, 310, 279, 248, 217, 186, 155, 124, 93,  62,
    31,  497, 466, 435, 404, 373, 342, 311, 280, 249, 218, 187, 156, 125, 94,  63,  498, 467, 436, 405, 374, 343, 312,
    281, 250, 219, 188, 157, 126, 95,  499, 468, 437, 406, 375, 344, 313, 282, 251, 220, 189, 158, 127, 500, 469, 438,
    407, 376, 345, 314, 283, 252, 221, 190, 159, 501, 470, 439, 408, 377, 346, 315, 284, 253, 222, 191, 502, 471, 440,
    409, 378, 347, 316, 285, 254, 223, 503, 472, 441, 410, 379, 348, 317, 286, 255, 504, 473, 442, 411, 380, 349, 318,
    287, 505, 474, 443, 412, 381, 350, 319, 506, 475, 444, 413, 382, 351, 507, 476, 445, 414, 383, 508, 477, 446, 415,
    509, 478, 447, 510, 479, 511,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x32[512]) = {
    0,   16,  32,  48,  64,  80,  96,  112, 128, 144, 160, 176, 192, 208, 224, 240, 256, 272, 288, 304, 320, 336, 352,
    368, 384, 400, 416, 432, 448, 464, 480, 496, 1,   17,  33,  49,  65,  81,  97,  113, 129, 145, 161, 177, 193, 209,
    225, 241, 257, 273, 289, 305, 321, 337, 353, 369, 385, 401, 417, 433, 449, 465, 481, 497, 2,   18,  34,  50,  66,
    82,  98,  114, 130, 146, 162, 178, 194, 210, 226, 242, 258, 274, 290, 306, 322, 338, 354, 370, 386, 402, 418, 434,
    450, 466, 482, 498, 3,   19,  35,  51,  67,  83,  99,  115, 131, 147, 163, 179, 195, 211, 227, 243, 259, 275, 291,
    307, 323, 339, 355, 371, 387, 403, 419, 435, 451, 467, 483, 499, 4,   20,  36,  52,  68,  84,  100, 116, 132, 148,
    164, 180, 196, 212, 228, 244, 260, 276, 292, 308, 324, 340, 356, 372, 388, 404, 420, 436, 452, 468, 484, 500, 5,
    21,  37,  53,  69,  85,  101, 117, 133, 149, 165, 181, 197, 213, 229, 245, 261, 277, 293, 309, 325, 341, 357, 373,
    389, 405, 421, 437, 453, 469, 485, 501, 6,   22,  38,  54,  70,  86,  102, 118, 134, 150, 166, 182, 198, 214, 230,
    246, 262, 278, 294, 310, 326, 342, 358, 374, 390, 406, 422, 438, 454, 470, 486, 502, 7,   23,  39,  55,  71,  87,
    103, 119, 135, 151, 167, 183, 199, 215, 231, 247, 263, 279, 295, 311, 327, 343, 359, 375, 391, 407, 423, 439, 455,
    471, 487, 503, 8,   24,  40,  56,  72,  88,  104, 120, 136, 152, 168, 184, 200, 216, 232, 248, 264, 280, 296, 312,
    328, 344, 360, 376, 392, 408, 424, 440, 456, 472, 488, 504, 9,   25,  41,  57,  73,  89,  105, 121, 137, 153, 169,
    185, 201, 217, 233, 249, 265, 281, 297, 313, 329, 345, 361, 377, 393, 409, 425, 441, 457, 473, 489, 505, 10,  26,
    42,  58,  74,  90,  106, 122, 138, 154, 170, 186, 202, 218, 234, 250, 266, 282, 298, 314, 330, 346, 362, 378, 394,
    410, 426, 442, 458, 474, 490, 506, 11,  27,  43,  59,  75,  91,  107, 123, 139, 155, 171, 187, 203, 219, 235, 251,
    267, 283, 299, 315, 331, 347, 363, 379, 395, 411, 427, 443, 459, 475, 491, 507, 12,  28,  44,  60,  76,  92,  108,
    124, 140, 156, 172, 188, 204, 220, 236, 252, 268, 284, 300, 316, 332, 348, 364, 380, 396, 412, 428, 444, 460, 476,
    492, 508, 13,  29,  45,  61,  77,  93,  109, 125, 141, 157, 173, 189, 205, 221, 237, 253, 269, 285, 301, 317, 333,
    349, 365, 381, 397, 413, 429, 445, 461, 477, 493, 509, 14,  30,  46,  62,  78,  94,  110, 126, 142, 158, 174, 190,
    206, 222, 238, 254, 270, 286, 302, 318, 334, 350, 366, 382, 398, 414, 430, 446, 462, 478, 494, 510, 15,  31,  47,
    63,  79,  95,  111, 127, 143, 159, 175, 191, 207, 223, 239, 255, 271, 287, 303, 319, 335, 351, 367, 383, 399, 415,
    431, 447, 463, 479, 495, 511,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x16[512]) = {
    0,   32,  64,  96,  128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480, 1,   33,  65,  97,  129, 161, 193,
    225, 257, 289, 321, 353, 385, 417, 449, 481, 2,   34,  66,  98,  130, 162, 194, 226, 258, 290, 322, 354, 386, 418,
    450, 482, 3,   35,  67,  99,  131, 163, 195, 227, 259, 291, 323, 355, 387, 419, 451, 483, 4,   36,  68,  100, 132,
    164, 196, 228, 260, 292, 324, 356, 388, 420, 452, 484, 5,   37,  69,  101, 133, 165, 197, 229, 261, 293, 325, 357,
    389, 421, 453, 485, 6,   38,  70,  102, 134, 166, 198, 230, 262, 294, 326, 358, 390, 422, 454, 486, 7,   39,  71,
    103, 135, 167, 199, 231, 263, 295, 327, 359, 391, 423, 455, 487, 8,   40,  72,  104, 136, 168, 200, 232, 264, 296,
    328, 360, 392, 424, 456, 488, 9,   41,  73,  105, 137, 169, 201, 233, 265, 297, 329, 361, 393, 425, 457, 489, 10,
    42,  74,  106, 138, 170, 202, 234, 266, 298, 330, 362, 394, 426, 458, 490, 11,  43,  75,  107, 139, 171, 203, 235,
    267, 299, 331, 363, 395, 427, 459, 491, 12,  44,  76,  108, 140, 172, 204, 236, 268, 300, 332, 364, 396, 428, 460,
    492, 13,  45,  77,  109, 141, 173, 205, 237, 269, 301, 333, 365, 397, 429, 461, 493, 14,  46,  78,  110, 142, 174,
    206, 238, 270, 302, 334, 366, 398, 430, 462, 494, 15,  47,  79,  111, 143, 175, 207, 239, 271, 303, 335, 367, 399,
    431, 463, 495, 16,  48,  80,  112, 144, 176, 208, 240, 272, 304, 336, 368, 400, 432, 464, 496, 17,  49,  81,  113,
    145, 177, 209, 241, 273, 305, 337, 369, 401, 433, 465, 497, 18,  50,  82,  114, 146, 178, 210, 242, 274, 306, 338,
    370, 402, 434, 466, 498, 19,  51,  83,  115, 147, 179, 211, 243, 275, 307, 339, 371, 403, 435, 467, 499, 20,  52,
    84,  116, 148, 180, 212, 244, 276, 308, 340, 372, 404, 436, 468, 500, 21,  53,  85,  117, 149, 181, 213, 245, 277,
    309, 341, 373, 405, 437, 469, 501, 22,  54,  86,  118, 150, 182, 214, 246, 278, 310, 342, 374, 406, 438, 470, 502,
    23,  55,  87,  119, 151, 183, 215, 247, 279, 311, 343, 375, 407, 439, 471, 503, 24,  56,  88,  120, 152, 184, 216,
    248, 280, 312, 344, 376, 408, 440, 472, 504, 25,  57,  89,  121, 153, 185, 217, 249, 281, 313, 345, 377, 409, 441,
    473, 505, 26,  58,  90,  122, 154, 186, 218, 250, 282, 314, 346, 378, 410, 442, 474, 506, 27,  59,  91,  123, 155,
    187, 219, 251, 283, 315, 347, 379, 411, 443, 475, 507, 28,  60,  92,  124, 156, 188, 220, 252, 284, 316, 348, 380,
    412, 444, 476, 508, 29,  61,  93,  125, 157, 189, 221, 253, 285, 317, 349, 381, 413, 445, 477, 509, 30,  62,  94,
    126, 158, 190, 222, 254, 286, 318, 350, 382, 414, 446, 478, 510, 31,  63,  95,  127, 159, 191, 223, 255, 287, 319,
    351, 383, 415, 447, 479, 511,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x32[512]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,
    23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,
    46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,  68,
    69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  91,
    92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
    115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
    138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160,
    161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
    184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206,
    207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229,
    230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252,
    253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275,
    276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298,
    299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321,
    322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344,
    345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367,
    368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390,
    391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413,
    414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436,
    437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459,
    460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482,
    483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505,
    506, 507, 508, 509, 510, 511,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x16[512]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,
    23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,
    46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,  68,
    69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  91,
    92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
    115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
    138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160,
    161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
    184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206,
    207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229,
    230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252,
    253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275,
    276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298,
    299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321,
    322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344,
    345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367,
    368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390,
    391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413,
    414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436,
    437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459,
    460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482,
    483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505,
    506, 507, 508, 509, 510, 511,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x16[256]) = {
    0,   1,   16,  32,  17,  2,   3,   18,  33,  48,  64,  49,  34,  19,  4,   5,   20,  35,  50,  65,  80,  96,
    81,  66,  51,  36,  21,  6,   7,   22,  37,  52,  67,  82,  97,  112, 128, 113, 98,  83,  68,  53,  38,  23,
    8,   9,   24,  39,  54,  69,  84,  99,  114, 129, 144, 160, 145, 130, 115, 100, 85,  70,  55,  40,  25,  10,
    11,  26,  41,  56,  71,  86,  101, 116, 131, 146, 161, 176, 192, 177, 162, 147, 132, 117, 102, 87,  72,  57,
    42,  27,  12,  13,  28,  43,  58,  73,  88,  103, 118, 133, 148, 163, 178, 193, 208, 224, 209, 194, 179, 164,
    149, 134, 119, 104, 89,  74,  59,  44,  29,  14,  15,  30,  45,  60,  75,  90,  105, 120, 135, 150, 165, 180,
    195, 210, 225, 240, 241, 226, 211, 196, 181, 166, 151, 136, 121, 106, 91,  76,  61,  46,  31,  47,  62,  77,
    92,  107, 122, 137, 152, 167, 182, 197, 212, 227, 242, 243, 228, 213, 198, 183, 168, 153, 138, 123, 108, 93,
    78,  63,  79,  94,  109, 124, 139, 154, 169, 184, 199, 214, 229, 244, 245, 230, 215, 200, 185, 170, 155, 140,
    125, 110, 95,  111, 126, 141, 156, 171, 186, 201, 216, 231, 246, 247, 232, 217, 202, 187, 172, 157, 142, 127,
    143, 158, 173, 188, 203, 218, 233, 248, 249, 234, 219, 204, 189, 174, 159, 175, 190, 205, 220, 235, 250, 251,
    236, 221, 206, 191, 207, 222, 237, 252, 253, 238, 223, 239, 254, 255};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x16[256]) = {
    0,   16,  32,  48,  64,  80,  96,  112, 128, 144, 160, 176, 192, 208, 224, 240, 1,   17,  33,  49,  65,  81,
    97,  113, 129, 145, 161, 177, 193, 209, 225, 241, 2,   18,  34,  50,  66,  82,  98,  114, 130, 146, 162, 178,
    194, 210, 226, 242, 3,   19,  35,  51,  67,  83,  99,  115, 131, 147, 163, 179, 195, 211, 227, 243, 4,   20,
    36,  52,  68,  84,  100, 116, 132, 148, 164, 180, 196, 212, 228, 244, 5,   21,  37,  53,  69,  85,  101, 117,
    133, 149, 165, 181, 197, 213, 229, 245, 6,   22,  38,  54,  70,  86,  102, 118, 134, 150, 166, 182, 198, 214,
    230, 246, 7,   23,  39,  55,  71,  87,  103, 119, 135, 151, 167, 183, 199, 215, 231, 247, 8,   24,  40,  56,
    72,  88,  104, 120, 136, 152, 168, 184, 200, 216, 232, 248, 9,   25,  41,  57,  73,  89,  105, 121, 137, 153,
    169, 185, 201, 217, 233, 249, 10,  26,  42,  58,  74,  90,  106, 122, 138, 154, 170, 186, 202, 218, 234, 250,
    11,  27,  43,  59,  75,  91,  107, 123, 139, 155, 171, 187, 203, 219, 235, 251, 12,  28,  44,  60,  76,  92,
    108, 124, 140, 156, 172, 188, 204, 220, 236, 252, 13,  29,  45,  61,  77,  93,  109, 125, 141, 157, 173, 189,
    205, 221, 237, 253, 14,  30,  46,  62,  78,  94,  110, 126, 142, 158, 174, 190, 206, 222, 238, 254, 15,  31,
    47,  63,  79,  95,  111, 127, 143, 159, 175, 191, 207, 223, 239, 255,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x16[256]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
    132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
    154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
    176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
    198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
    220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
    242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x32[1024]) = {
    0,   32,  64,  96,   128, 160, 192, 224,  256, 288, 320, 352,  384, 416, 448, 480,  512, 544, 576, 608,
    640, 672, 704, 736,  768, 800, 832, 864,  896, 928, 960, 992,  1,   33,  65,  97,   129, 161, 193, 225,
    257, 289, 321, 353,  385, 417, 449, 481,  513, 545, 577, 609,  641, 673, 705, 737,  769, 801, 833, 865,
    897, 929, 961, 993,  2,   34,  66,  98,   130, 162, 194, 226,  258, 290, 322, 354,  386, 418, 450, 482,
    514, 546, 578, 610,  642, 674, 706, 738,  770, 802, 834, 866,  898, 930, 962, 994,  3,   35,  67,  99,
    131, 163, 195, 227,  259, 291, 323, 355,  387, 419, 451, 483,  515, 547, 579, 611,  643, 675, 707, 739,
    771, 803, 835, 867,  899, 931, 963, 995,  4,   36,  68,  100,  132, 164, 196, 228,  260, 292, 324, 356,
    388, 420, 452, 484,  516, 548, 580, 612,  644, 676, 708, 740,  772, 804, 836, 868,  900, 932, 964, 996,
    5,   37,  69,  101,  133, 165, 197, 229,  261, 293, 325, 357,  389, 421, 453, 485,  517, 549, 581, 613,
    645, 677, 709, 741,  773, 805, 837, 869,  901, 933, 965, 997,  6,   38,  70,  102,  134, 166, 198, 230,
    262, 294, 326, 358,  390, 422, 454, 486,  518, 550, 582, 614,  646, 678, 710, 742,  774, 806, 838, 870,
    902, 934, 966, 998,  7,   39,  71,  103,  135, 167, 199, 231,  263, 295, 327, 359,  391, 423, 455, 487,
    519, 551, 583, 615,  647, 679, 711, 743,  775, 807, 839, 871,  903, 935, 967, 999,  8,   40,  72,  104,
    136, 168, 200, 232,  264, 296, 328, 360,  392, 424, 456, 488,  520, 552, 584, 616,  648, 680, 712, 744,
    776, 808, 840, 872,  904, 936, 968, 1000, 9,   41,  73,  105,  137, 169, 201, 233,  265, 297, 329, 361,
    393, 425, 457, 489,  521, 553, 585, 617,  649, 681, 713, 745,  777, 809, 841, 873,  905, 937, 969, 1001,
    10,  42,  74,  106,  138, 170, 202, 234,  266, 298, 330, 362,  394, 426, 458, 490,  522, 554, 586, 618,
    650, 682, 714, 746,  778, 810, 842, 874,  906, 938, 970, 1002, 11,  43,  75,  107,  139, 171, 203, 235,
    267, 299, 331, 363,  395, 427, 459, 491,  523, 555, 587, 619,  651, 683, 715, 747,  779, 811, 843, 875,
    907, 939, 971, 1003, 12,  44,  76,  108,  140, 172, 204, 236,  268, 300, 332, 364,  396, 428, 460, 492,
    524, 556, 588, 620,  652, 684, 716, 748,  780, 812, 844, 876,  908, 940, 972, 1004, 13,  45,  77,  109,
    141, 173, 205, 237,  269, 301, 333, 365,  397, 429, 461, 493,  525, 557, 589, 621,  653, 685, 717, 749,
    781, 813, 845, 877,  909, 941, 973, 1005, 14,  46,  78,  110,  142, 174, 206, 238,  270, 302, 334, 366,
    398, 430, 462, 494,  526, 558, 590, 622,  654, 686, 718, 750,  782, 814, 846, 878,  910, 942, 974, 1006,
    15,  47,  79,  111,  143, 175, 207, 239,  271, 303, 335, 367,  399, 431, 463, 495,  527, 559, 591, 623,
    655, 687, 719, 751,  783, 815, 847, 879,  911, 943, 975, 1007, 16,  48,  80,  112,  144, 176, 208, 240,
    272, 304, 336, 368,  400, 432, 464, 496,  528, 560, 592, 624,  656, 688, 720, 752,  784, 816, 848, 880,
    912, 944, 976, 1008, 17,  49,  81,  113,  145, 177, 209, 241,  273, 305, 337, 369,  401, 433, 465, 497,
    529, 561, 593, 625,  657, 689, 721, 753,  785, 817, 849, 881,  913, 945, 977, 1009, 18,  50,  82,  114,
    146, 178, 210, 242,  274, 306, 338, 370,  402, 434, 466, 498,  530, 562, 594, 626,  658, 690, 722, 754,
    786, 818, 850, 882,  914, 946, 978, 1010, 19,  51,  83,  115,  147, 179, 211, 243,  275, 307, 339, 371,
    403, 435, 467, 499,  531, 563, 595, 627,  659, 691, 723, 755,  787, 819, 851, 883,  915, 947, 979, 1011,
    20,  52,  84,  116,  148, 180, 212, 244,  276, 308, 340, 372,  404, 436, 468, 500,  532, 564, 596, 628,
    660, 692, 724, 756,  788, 820, 852, 884,  916, 948, 980, 1012, 21,  53,  85,  117,  149, 181, 213, 245,
    277, 309, 341, 373,  405, 437, 469, 501,  533, 565, 597, 629,  661, 693, 725, 757,  789, 821, 853, 885,
    917, 949, 981, 1013, 22,  54,  86,  118,  150, 182, 214, 246,  278, 310, 342, 374,  406, 438, 470, 502,
    534, 566, 598, 630,  662, 694, 726, 758,  790, 822, 854, 886,  918, 950, 982, 1014, 23,  55,  87,  119,
    151, 183, 215, 247,  279, 311, 343, 375,  407, 439, 471, 503,  535, 567, 599, 631,  663, 695, 727, 759,
    791, 823, 855, 887,  919, 951, 983, 1015, 24,  56,  88,  120,  152, 184, 216, 248,  280, 312, 344, 376,
    408, 440, 472, 504,  536, 568, 600, 632,  664, 696, 728, 760,  792, 824, 856, 888,  920, 952, 984, 1016,
    25,  57,  89,  121,  153, 185, 217, 249,  281, 313, 345, 377,  409, 441, 473, 505,  537, 569, 601, 633,
    665, 697, 729, 761,  793, 825, 857, 889,  921, 953, 985, 1017, 26,  58,  90,  122,  154, 186, 218, 250,
    282, 314, 346, 378,  410, 442, 474, 506,  538, 570, 602, 634,  666, 698, 730, 762,  794, 826, 858, 890,
    922, 954, 986, 1018, 27,  59,  91,  123,  155, 187, 219, 251,  283, 315, 347, 379,  411, 443, 475, 507,
    539, 571, 603, 635,  667, 699, 731, 763,  795, 827, 859, 891,  923, 955, 987, 1019, 28,  60,  92,  124,
    156, 188, 220, 252,  284, 316, 348, 380,  412, 444, 476, 508,  540, 572, 604, 636,  668, 700, 732, 764,
    796, 828, 860, 892,  924, 956, 988, 1020, 29,  61,  93,  125,  157, 189, 221, 253,  285, 317, 349, 381,
    413, 445, 477, 509,  541, 573, 605, 637,  669, 701, 733, 765,  797, 829, 861, 893,  925, 957, 989, 1021,
    30,  62,  94,  126,  158, 190, 222, 254,  286, 318, 350, 382,  414, 446, 478, 510,  542, 574, 606, 638,
    670, 702, 734, 766,  798, 830, 862, 894,  926, 958, 990, 1022, 31,  63,  95,  127,  159, 191, 223, 255,
    287, 319, 351, 383,  415, 447, 479, 511,  543, 575, 607, 639,  671, 703, 735, 767,  799, 831, 863, 895,
    927, 959, 991, 1023,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x32[1024]) = {
    0,    1,    2,    3,    4,    5,    6,    7,    8,    9,    10,   11,   12,   13,   14,   15,   16,   17,   18,
    19,   20,   21,   22,   23,   24,   25,   26,   27,   28,   29,   30,   31,   32,   33,   34,   35,   36,   37,
    38,   39,   40,   41,   42,   43,   44,   45,   46,   47,   48,   49,   50,   51,   52,   53,   54,   55,   56,
    57,   58,   59,   60,   61,   62,   63,   64,   65,   66,   67,   68,   69,   70,   71,   72,   73,   74,   75,
    76,   77,   78,   79,   80,   81,   82,   83,   84,   85,   86,   87,   88,   89,   90,   91,   92,   93,   94,
    95,   96,   97,   98,   99,   100,  101,  102,  103,  104,  105,  106,  107,  108,  109,  110,  111,  112,  113,
    114,  115,  116,  117,  118,  119,  120,  121,  122,  123,  124,  125,  126,  127,  128,  129,  130,  131,  132,
    133,  134,  135,  136,  137,  138,  139,  140,  141,  142,  143,  144,  145,  146,  147,  148,  149,  150,  151,
    152,  153,  154,  155,  156,  157,  158,  159,  160,  161,  162,  163,  164,  165,  166,  167,  168,  169,  170,
    171,  172,  173,  174,  175,  176,  177,  178,  179,  180,  181,  182,  183,  184,  185,  186,  187,  188,  189,
    190,  191,  192,  193,  194,  195,  196,  197,  198,  199,  200,  201,  202,  203,  204,  205,  206,  207,  208,
    209,  210,  211,  212,  213,  214,  215,  216,  217,  218,  219,  220,  221,  222,  223,  224,  225,  226,  227,
    228,  229,  230,  231,  232,  233,  234,  235,  236,  237,  238,  239,  240,  241,  242,  243,  244,  245,  246,
    247,  248,  249,  250,  251,  252,  253,  254,  255,  256,  257,  258,  259,  260,  261,  262,  263,  264,  265,
    266,  267,  268,  269,  270,  271,  272,  273,  274,  275,  276,  277,  278,  279,  280,  281,  282,  283,  284,
    285,  286,  287,  288,  289,  290,  291,  292,  293,  294,  295,  296,  297,  298,  299,  300,  301,  302,  303,
    304,  305,  306,  307,  308,  309,  310,  311,  312,  313,  314,  315,  316,  317,  318,  319,  320,  321,  322,
    323,  324,  325,  326,  327,  328,  329,  330,  331,  332,  333,  334,  335,  336,  337,  338,  339,  340,  341,
    342,  343,  344,  345,  346,  347,  348,  349,  350,  351,  352,  353,  354,  355,  356,  357,  358,  359,  360,
    361,  362,  363,  364,  365,  366,  367,  368,  369,  370,  371,  372,  373,  374,  375,  376,  377,  378,  379,
    380,  381,  382,  383,  384,  385,  386,  387,  388,  389,  390,  391,  392,  393,  394,  395,  396,  397,  398,
    399,  400,  401,  402,  403,  404,  405,  406,  407,  408,  409,  410,  411,  412,  413,  414,  415,  416,  417,
    418,  419,  420,  421,  422,  423,  424,  425,  426,  427,  428,  429,  430,  431,  432,  433,  434,  435,  436,
    437,  438,  439,  440,  441,  442,  443,  444,  445,  446,  447,  448,  449,  450,  451,  452,  453,  454,  455,
    456,  457,  458,  459,  460,  461,  462,  463,  464,  465,  466,  467,  468,  469,  470,  471,  472,  473,  474,
    475,  476,  477,  478,  479,  480,  481,  482,  483,  484,  485,  486,  487,  488,  489,  490,  491,  492,  493,
    494,  495,  496,  497,  498,  499,  500,  501,  502,  503,  504,  505,  506,  507,  508,  509,  510,  511,  512,
    513,  514,  515,  516,  517,  518,  519,  520,  521,  522,  523,  524,  525,  526,  527,  528,  529,  530,  531,
    532,  533,  534,  535,  536,  537,  538,  539,  540,  541,  542,  543,  544,  545,  546,  547,  548,  549,  550,
    551,  552,  553,  554,  555,  556,  557,  558,  559,  560,  561,  562,  563,  564,  565,  566,  567,  568,  569,
    570,  571,  572,  573,  574,  575,  576,  577,  578,  579,  580,  581,  582,  583,  584,  585,  586,  587,  588,
    589,  590,  591,  592,  593,  594,  595,  596,  597,  598,  599,  600,  601,  602,  603,  604,  605,  606,  607,
    608,  609,  610,  611,  612,  613,  614,  615,  616,  617,  618,  619,  620,  621,  622,  623,  624,  625,  626,
    627,  628,  629,  630,  631,  632,  633,  634,  635,  636,  637,  638,  639,  640,  641,  642,  643,  644,  645,
    646,  647,  648,  649,  650,  651,  652,  653,  654,  655,  656,  657,  658,  659,  660,  661,  662,  663,  664,
    665,  666,  667,  668,  669,  670,  671,  672,  673,  674,  675,  676,  677,  678,  679,  680,  681,  682,  683,
    684,  685,  686,  687,  688,  689,  690,  691,  692,  693,  694,  695,  696,  697,  698,  699,  700,  701,  702,
    703,  704,  705,  706,  707,  708,  709,  710,  711,  712,  713,  714,  715,  716,  717,  718,  719,  720,  721,
    722,  723,  724,  725,  726,  727,  728,  729,  730,  731,  732,  733,  734,  735,  736,  737,  738,  739,  740,
    741,  742,  743,  744,  745,  746,  747,  748,  749,  750,  751,  752,  753,  754,  755,  756,  757,  758,  759,
    760,  761,  762,  763,  764,  765,  766,  767,  768,  769,  770,  771,  772,  773,  774,  775,  776,  777,  778,
    779,  780,  781,  782,  783,  784,  785,  786,  787,  788,  789,  790,  791,  792,  793,  794,  795,  796,  797,
    798,  799,  800,  801,  802,  803,  804,  805,  806,  807,  808,  809,  810,  811,  812,  813,  814,  815,  816,
    817,  818,  819,  820,  821,  822,  823,  824,  825,  826,  827,  828,  829,  830,  831,  832,  833,  834,  835,
    836,  837,  838,  839,  840,  841,  842,  843,  844,  845,  846,  847,  848,  849,  850,  851,  852,  853,  854,
    855,  856,  857,  858,  859,  860,  861,  862,  863,  864,  865,  866,  867,  868,  869,  870,  871,  872,  873,
    874,  875,  876,  877,  878,  879,  880,  881,  882,  883,  884,  885,  886,  887,  888,  889,  890,  891,  892,
    893,  894,  895,  896,  897,  898,  899,  900,  901,  902,  903,  904,  905,  906,  907,  908,  909,  910,  911,
    912,  913,  914,  915,  916,  917,  918,  919,  920,  921,  922,  923,  924,  925,  926,  927,  928,  929,  930,
    931,  932,  933,  934,  935,  936,  937,  938,  939,  940,  941,  942,  943,  944,  945,  946,  947,  948,  949,
    950,  951,  952,  953,  954,  955,  956,  957,  958,  959,  960,  961,  962,  963,  964,  965,  966,  967,  968,
    969,  970,  971,  972,  973,  974,  975,  976,  977,  978,  979,  980,  981,  982,  983,  984,  985,  986,  987,
    988,  989,  990,  991,  992,  993,  994,  995,  996,  997,  998,  999,  1000, 1001, 1002, 1003, 1004, 1005, 1006,
    1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_32x32[1024]) = {
    0,    1,    32,  64,  33,  2,   3,   34,  65,   96,   128,  97,  66,   35,   4,    5,    36,   67,  98,  129, 160,
    192,  161,  130, 99,  68,  37,  6,   7,   38,   69,   100,  131, 162,  193,  224,  256,  225,  194, 163, 132, 101,
    70,   39,   8,   9,   40,  71,  102, 133, 164,  195,  226,  257, 288,  320,  289,  258,  227,  196, 165, 134, 103,
    72,   41,   10,  11,  42,  73,  104, 135, 166,  197,  228,  259, 290,  321,  352,  384,  353,  322, 291, 260, 229,
    198,  167,  136, 105, 74,  43,  12,  13,  44,   75,   106,  137, 168,  199,  230,  261,  292,  323, 354, 385, 416,
    448,  417,  386, 355, 324, 293, 262, 231, 200,  169,  138,  107, 76,   45,   14,   15,   46,   77,  108, 139, 170,
    201,  232,  263, 294, 325, 356, 387, 418, 449,  480,  512,  481, 450,  419,  388,  357,  326,  295, 264, 233, 202,
    171,  140,  109, 78,  47,  16,  17,  48,  79,   110,  141,  172, 203,  234,  265,  296,  327,  358, 389, 420, 451,
    482,  513,  544, 576, 545, 514, 483, 452, 421,  390,  359,  328, 297,  266,  235,  204,  173,  142, 111, 80,  49,
    18,   19,   50,  81,  112, 143, 174, 205, 236,  267,  298,  329, 360,  391,  422,  453,  484,  515, 546, 577, 608,
    640,  609,  578, 547, 516, 485, 454, 423, 392,  361,  330,  299, 268,  237,  206,  175,  144,  113, 82,  51,  20,
    21,   52,   83,  114, 145, 176, 207, 238, 269,  300,  331,  362, 393,  424,  455,  486,  517,  548, 579, 610, 641,
    672,  704,  673, 642, 611, 580, 549, 518, 487,  456,  425,  394, 363,  332,  301,  270,  239,  208, 177, 146, 115,
    84,   53,   22,  23,  54,  85,  116, 147, 178,  209,  240,  271, 302,  333,  364,  395,  426,  457, 488, 519, 550,
    581,  612,  643, 674, 705, 736, 768, 737, 706,  675,  644,  613, 582,  551,  520,  489,  458,  427, 396, 365, 334,
    303,  272,  241, 210, 179, 148, 117, 86,  55,   24,   25,   56,  87,   118,  149,  180,  211,  242, 273, 304, 335,
    366,  397,  428, 459, 490, 521, 552, 583, 614,  645,  676,  707, 738,  769,  800,  832,  801,  770, 739, 708, 677,
    646,  615,  584, 553, 522, 491, 460, 429, 398,  367,  336,  305, 274,  243,  212,  181,  150,  119, 88,  57,  26,
    27,   58,   89,  120, 151, 182, 213, 244, 275,  306,  337,  368, 399,  430,  461,  492,  523,  554, 585, 616, 647,
    678,  709,  740, 771, 802, 833, 864, 896, 865,  834,  803,  772, 741,  710,  679,  648,  617,  586, 555, 524, 493,
    462,  431,  400, 369, 338, 307, 276, 245, 214,  183,  152,  121, 90,   59,   28,   29,   60,   91,  122, 153, 184,
    215,  246,  277, 308, 339, 370, 401, 432, 463,  494,  525,  556, 587,  618,  649,  680,  711,  742, 773, 804, 835,
    866,  897,  928, 960, 929, 898, 867, 836, 805,  774,  743,  712, 681,  650,  619,  588,  557,  526, 495, 464, 433,
    402,  371,  340, 309, 278, 247, 216, 185, 154,  123,  92,   61,  30,   31,   62,   93,   124,  155, 186, 217, 248,
    279,  310,  341, 372, 403, 434, 465, 496, 527,  558,  589,  620, 651,  682,  713,  744,  775,  806, 837, 868, 899,
    930,  961,  992, 993, 962, 931, 900, 869, 838,  807,  776,  745, 714,  683,  652,  621,  590,  559, 528, 497, 466,
    435,  404,  373, 342, 311, 280, 249, 218, 187,  156,  125,  94,  63,   95,   126,  157,  188,  219, 250, 281, 312,
    343,  374,  405, 436, 467, 498, 529, 560, 591,  622,  653,  684, 715,  746,  777,  808,  839,  870, 901, 932, 963,
    994,  995,  964, 933, 902, 871, 840, 809, 778,  747,  716,  685, 654,  623,  592,  561,  530,  499, 468, 437, 406,
    375,  344,  313, 282, 251, 220, 189, 158, 127,  159,  190,  221, 252,  283,  314,  345,  376,  407, 438, 469, 500,
    531,  562,  593, 624, 655, 686, 717, 748, 779,  810,  841,  872, 903,  934,  965,  996,  997,  966, 935, 904, 873,
    842,  811,  780, 749, 718, 687, 656, 625, 594,  563,  532,  501, 470,  439,  408,  377,  346,  315, 284, 253, 222,
    191,  223,  254, 285, 316, 347, 378, 409, 440,  471,  502,  533, 564,  595,  626,  657,  688,  719, 750, 781, 812,
    843,  874,  905, 936, 967, 998, 999, 968, 937,  906,  875,  844, 813,  782,  751,  720,  689,  658, 627, 596, 565,
    534,  503,  472, 441, 410, 379, 348, 317, 286,  255,  287,  318, 349,  380,  411,  442,  473,  504, 535, 566, 597,
    628,  659,  690, 721, 752, 783, 814, 845, 876,  907,  938,  969, 1000, 1001, 970,  939,  908,  877, 846, 815, 784,
    753,  722,  691, 660, 629, 598, 567, 536, 505,  474,  443,  412, 381,  350,  319,  351,  382,  413, 444, 475, 506,
    537,  568,  599, 630, 661, 692, 723, 754, 785,  816,  847,  878, 909,  940,  971,  1002, 1003, 972, 941, 910, 879,
    848,  817,  786, 755, 724, 693, 662, 631, 600,  569,  538,  507, 476,  445,  414,  383,  415,  446, 477, 508, 539,
    570,  601,  632, 663, 694, 725, 756, 787, 818,  849,  880,  911, 942,  973,  1004, 1005, 974,  943, 912, 881, 850,
    819,  788,  757, 726, 695, 664, 633, 602, 571,  540,  509,  478, 447,  479,  510,  541,  572,  603, 634, 665, 696,
    727,  758,  789, 820, 851, 882, 913, 944, 975,  1006, 1007, 976, 945,  914,  883,  852,  821,  790, 759, 728, 697,
    666,  635,  604, 573, 542, 511, 543, 574, 605,  636,  667,  698, 729,  760,  791,  822,  853,  884, 915, 946, 977,
    1008, 1009, 978, 947, 916, 885, 854, 823, 792,  761,  730,  699, 668,  637,  606,  575,  607,  638, 669, 700, 731,
    762,  793,  824, 855, 886, 917, 948, 979, 1010, 1011, 980,  949, 918,  887,  856,  825,  794,  763, 732, 701, 670,
    639,  671,  702, 733, 764, 795, 826, 857, 888,  919,  950,  981, 1012, 1013, 982,  951,  920,  889, 858, 827, 796,
    765,  734,  703, 735, 766, 797, 828, 859, 890,  921,  952,  983, 1014, 1015, 984,  953,  922,  891, 860, 829, 798,
    767,  799,  830, 861, 892, 923, 954, 985, 1016, 1017, 986,  955, 924,  893,  862,  831,  863,  894, 925, 956, 987,
    1018, 1019, 988, 957, 926, 895, 927, 958, 989,  1020, 1021, 990, 959,  991,  1022, 1023};
// Neighborhood 2-tuples for various scans and blocksizes,
// in {top, left} order for each position in corresponding scan order.
DECLARE_ALIGNED(16, static const int16_t, default_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
    0, 0, 0, 0, 0, 0, 4, 4, 1, 4, 1, 1, 2, 2, 2, 5, 5, 8, 8, 8, 9, 12, 6, 9, 3, 6, 7, 10, 10, 13, 11, 14, 0, 0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
    0, 0, 0, 0, 4, 4, 8, 8, 0, 0, 1, 4, 5, 8, 9, 12, 1, 1, 2, 5, 6, 9, 10, 13, 2, 2, 3, 6, 7, 10, 11, 14, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
    0, 0, 0, 0, 1, 1, 2, 2, 0, 0, 1, 4, 2, 5, 3, 6, 4, 4, 5, 8, 6, 9, 7, 10, 8, 8, 9, 12, 10, 13, 11, 14, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_4x8_neighbors[33 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  0,  0,  1,  4,  1,  1,  4,  4,  2,  5,  5,  8,  6,  9,  2,  2,  8,  8,
    3,  6,  9,  12, 7,  10, 10, 13, 12, 12, 13, 16, 11, 14, 14, 17, 15, 18, 16, 16, 17, 20,
    18, 21, 19, 22, 20, 20, 21, 24, 22, 25, 23, 26, 24, 24, 25, 28, 26, 29, 27, 30, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x8_neighbors[33 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  4,  4,  8,  8,  12, 12, 16, 16, 20, 20, 24, 24, 0,  0,  1,  4,  5,  8,
    9,  12, 13, 16, 17, 20, 21, 24, 25, 28, 1,  1,  2,  5,  6,  9,  10, 13, 14, 17, 18, 21,
    22, 25, 26, 29, 2,  2,  3,  6,  7,  10, 11, 14, 15, 18, 19, 22, 23, 26, 27, 30, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x8_neighbors[33 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  1,  1,  2,  2,  0,  0,  1,  4,  2,  5,  3,  6,  4,  4,  5,  8,  6,  9,
    7,  10, 8,  8,  9,  12, 10, 13, 11, 14, 12, 12, 13, 16, 14, 17, 15, 18, 16, 16, 17, 20,
    18, 21, 19, 22, 20, 20, 21, 24, 22, 25, 23, 26, 24, 24, 25, 28, 26, 29, 27, 30, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x4_neighbors[33 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  0,  0,  1,  8,  1,  1,  8,  8,  2,  9,  9,  16, 10, 17, 2,  2,  16, 16,
    3,  10, 17, 24, 11, 18, 18, 25, 3,  3,  4,  11, 19, 26, 12, 19, 4,  4,  20, 27, 5,  12,
    13, 20, 21, 28, 5,  5,  6,  13, 14, 21, 22, 29, 6,  6,  7,  14, 15, 22, 23, 30, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x4_neighbors[33 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  8, 8,  16, 16, 0,  0,  1,  8,  9, 16, 17, 24, 1,  1,  2,  9,  10, 17,
    18, 25, 2,  2,  3, 10, 11, 18, 19, 26, 3,  3,  4, 11, 12, 19, 20, 27, 4,  4,  5,  12,
    13, 20, 21, 28, 5, 5,  6,  13, 14, 21, 22, 29, 6, 6,  7,  14, 15, 22, 23, 30, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x4_neighbors[33 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  1,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  6,  0,  0,  1,  8,  2,  9,
    3,  10, 4,  11, 5,  12, 6,  13, 7,  14, 8,  8,  9,  16, 10, 17, 11, 18, 12, 19, 13, 20,
    14, 21, 15, 22, 16, 16, 17, 24, 18, 25, 19, 26, 20, 27, 21, 28, 22, 29, 23, 30, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_4x16_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  0,  0,  1,  4,  1,  1,  4,  4,  2,  5,  5,  8,  6,  9,  2,  2,  8,  8,  3,  6,  9,  12,
    7,  10, 10, 13, 12, 12, 13, 16, 11, 14, 14, 17, 15, 18, 16, 16, 17, 20, 18, 21, 19, 22, 20, 20, 21, 24,
    22, 25, 23, 26, 24, 24, 25, 28, 26, 29, 27, 30, 28, 28, 29, 32, 30, 33, 31, 34, 32, 32, 33, 36, 34, 37,
    35, 38, 36, 36, 37, 40, 38, 41, 39, 42, 40, 40, 41, 44, 42, 45, 43, 46, 44, 44, 45, 48, 46, 49, 47, 50,
    48, 48, 49, 52, 50, 53, 51, 54, 52, 52, 53, 56, 54, 57, 55, 58, 56, 56, 57, 60, 58, 61, 59, 62, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x4_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  0,  0,  1,  16, 1,  1,  16, 16, 2,  17, 17, 32, 18, 33, 2,  2,  32, 32, 3,  18, 33, 48,
    19, 34, 34, 49, 3,  3,  4,  19, 35, 50, 20, 35, 4,  4,  36, 51, 5,  20, 21, 36, 37, 52, 5,  5,  6,  21,
    22, 37, 38, 53, 6,  6,  7,  22, 23, 38, 39, 54, 7,  7,  8,  23, 24, 39, 40, 55, 8,  8,  9,  24, 25, 40,
    41, 56, 9,  9,  10, 25, 26, 41, 42, 57, 10, 10, 11, 26, 27, 42, 43, 58, 11, 11, 12, 27, 28, 43, 44, 59,
    12, 12, 13, 28, 29, 44, 45, 60, 13, 13, 14, 29, 30, 45, 46, 61, 14, 14, 15, 30, 31, 46, 47, 62, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x16_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  1,  1,  2,  2,  0,  0,  1,  4,  2,  5,  3,  6,  4,  4,  5,  8,  6,  9,  7,  10, 8,  8,
    9,  12, 10, 13, 11, 14, 12, 12, 13, 16, 14, 17, 15, 18, 16, 16, 17, 20, 18, 21, 19, 22, 20, 20, 21, 24,
    22, 25, 23, 26, 24, 24, 25, 28, 26, 29, 27, 30, 28, 28, 29, 32, 30, 33, 31, 34, 32, 32, 33, 36, 34, 37,
    35, 38, 36, 36, 37, 40, 38, 41, 39, 42, 40, 40, 41, 44, 42, 45, 43, 46, 44, 44, 45, 48, 46, 49, 47, 50,
    48, 48, 49, 52, 50, 53, 51, 54, 52, 52, 53, 56, 54, 57, 55, 58, 56, 56, 57, 60, 58, 61, 59, 62, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x4_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  1,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  6,  7,  7,  8,  8,  9,  9,  10, 10, 11, 11,
    12, 12, 13, 13, 14, 14, 0,  0,  1,  16, 2,  17, 3,  18, 4,  19, 5,  20, 6,  21, 7,  22, 8,  23, 9,  24,
    10, 25, 11, 26, 12, 27, 13, 28, 14, 29, 15, 30, 16, 16, 17, 32, 18, 33, 19, 34, 20, 35, 21, 36, 22, 37,
    23, 38, 24, 39, 25, 40, 26, 41, 27, 42, 28, 43, 29, 44, 30, 45, 31, 46, 32, 32, 33, 48, 34, 49, 35, 50,
    36, 51, 37, 52, 38, 53, 39, 54, 40, 55, 41, 56, 42, 57, 43, 58, 44, 59, 45, 60, 46, 61, 47, 62, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x16_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  4,  4,  8,  8,  12, 12, 16, 16, 20, 20, 24, 24, 28, 28, 32, 32, 36, 36, 40, 40, 44, 44,
    48, 48, 52, 52, 56, 56, 0,  0,  1,  4,  5,  8,  9,  12, 13, 16, 17, 20, 21, 24, 25, 28, 29, 32, 33, 36,
    37, 40, 41, 44, 45, 48, 49, 52, 53, 56, 57, 60, 1,  1,  2,  5,  6,  9,  10, 13, 14, 17, 18, 21, 22, 25,
    26, 29, 30, 33, 34, 37, 38, 41, 42, 45, 46, 49, 50, 53, 54, 57, 58, 61, 2,  2,  3,  6,  7,  10, 11, 14,
    15, 18, 19, 22, 23, 26, 27, 30, 31, 34, 35, 38, 39, 42, 43, 46, 47, 50, 51, 54, 55, 58, 59, 62, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x4_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  16, 16, 32, 32, 0,  0,  1,  16, 17, 32, 33, 48, 1,  1,  2,  17, 18, 33, 34, 49, 2,  2,
    3,  18, 19, 34, 35, 50, 3,  3,  4,  19, 20, 35, 36, 51, 4,  4,  5,  20, 21, 36, 37, 52, 5,  5,  6,  21,
    22, 37, 38, 53, 6,  6,  7,  22, 23, 38, 39, 54, 7,  7,  8,  23, 24, 39, 40, 55, 8,  8,  9,  24, 25, 40,
    41, 56, 9,  9,  10, 25, 26, 41, 42, 57, 10, 10, 11, 26, 27, 42, 43, 58, 11, 11, 12, 27, 28, 43, 44, 59,
    12, 12, 13, 28, 29, 44, 45, 60, 13, 13, 14, 29, 30, 45, 46, 61, 14, 14, 15, 30, 31, 46, 47, 62, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x32_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   0,   0,   1,   1,   1,   8,   8,   8,   2,   2,   2,   9,   9,   16,  16,  16,  3,   3,   3,
    10,  10,  17,  17,  24,  24,  24,  4,   4,   4,   11,  11,  18,  18,  25,  25,  32,  32,  32,  5,   5,   5,   12,
    12,  19,  19,  26,  26,  33,  33,  40,  40,  40,  6,   6,   6,   13,  13,  20,  20,  27,  27,  34,  34,  41,  41,
    48,  48,  48,  7,   14,  14,  21,  21,  28,  28,  35,  35,  42,  42,  49,  49,  56,  56,  56,  15,  22,  22,  29,
    29,  36,  36,  43,  43,  50,  50,  57,  57,  64,  64,  64,  23,  30,  30,  37,  37,  44,  44,  51,  51,  58,  58,
    65,  65,  72,  72,  72,  31,  38,  38,  45,  45,  52,  52,  59,  59,  66,  66,  73,  73,  80,  80,  80,  39,  46,
    46,  53,  53,  60,  60,  67,  67,  74,  74,  81,  81,  88,  88,  88,  47,  54,  54,  61,  61,  68,  68,  75,  75,
    82,  82,  89,  89,  96,  96,  96,  55,  62,  62,  69,  69,  76,  76,  83,  83,  90,  90,  97,  97,  104, 104, 104,
    63,  70,  70,  77,  77,  84,  84,  91,  91,  98,  98,  105, 105, 112, 112, 112, 71,  78,  78,  85,  85,  92,  92,
    99,  99,  106, 106, 113, 113, 120, 120, 120, 79,  86,  86,  93,  93,  100, 100, 107, 107, 114, 114, 121, 121, 128,
    128, 128, 87,  94,  94,  101, 101, 108, 108, 115, 115, 122, 122, 129, 129, 136, 136, 136, 95,  102, 102, 109, 109,
    116, 116, 123, 123, 130, 130, 137, 137, 144, 144, 144, 103, 110, 110, 117, 117, 124, 124, 131, 131, 138, 138, 145,
    145, 152, 152, 152, 111, 118, 118, 125, 125, 132, 132, 139, 139, 146, 146, 153, 153, 160, 160, 160, 119, 126, 126,
    133, 133, 140, 140, 147, 147, 154, 154, 161, 161, 168, 168, 168, 127, 134, 134, 141, 141, 148, 148, 155, 155, 162,
    162, 169, 169, 176, 176, 176, 135, 142, 142, 149, 149, 156, 156, 163, 163, 170, 170, 177, 177, 184, 184, 184, 143,
    150, 150, 157, 157, 164, 164, 171, 171, 178, 178, 185, 185, 192, 192, 192, 151, 158, 158, 165, 165, 172, 172, 179,
    179, 186, 186, 193, 193, 200, 200, 200, 159, 166, 166, 173, 173, 180, 180, 187, 187, 194, 194, 201, 201, 208, 208,
    208, 167, 174, 174, 181, 181, 188, 188, 195, 195, 202, 202, 209, 209, 216, 216, 216, 175, 182, 182, 189, 189, 196,
    196, 203, 203, 210, 210, 217, 217, 224, 224, 224, 183, 190, 190, 197, 197, 204, 204, 211, 211, 218, 218, 225, 225,
    232, 232, 232, 191, 198, 198, 205, 205, 212, 212, 219, 219, 226, 226, 233, 233, 240, 240, 240, 199, 206, 206, 213,
    213, 220, 220, 227, 227, 234, 234, 241, 241, 248, 207, 214, 214, 221, 221, 228, 228, 235, 235, 242, 242, 249, 215,
    222, 222, 229, 229, 236, 236, 243, 243, 250, 223, 230, 230, 237, 237, 244, 244, 251, 231, 238, 238, 245, 245, 252,
    239, 246, 246, 253, 247, 254, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_32x8_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   0,   0,   1,   1,   1,   32,  32,  32,  2,   2,   2,   33,  33,  64,  64,  64,  3,   3,   3,
    34,  34,  65,  65,  96,  96,  96,  4,   4,   4,   35,  35,  66,  66,  97,  97,  128, 128, 128, 5,   5,   5,   36,
    36,  67,  67,  98,  98,  129, 129, 160, 160, 160, 6,   6,   6,   37,  37,  68,  68,  99,  99,  130, 130, 161, 161,
    192, 192, 192, 7,   7,   7,   38,  38,  69,  69,  100, 100, 131, 131, 162, 162, 193, 193, 224, 8,   8,   8,   39,
    39,  70,  70,  101, 101, 132, 132, 163, 163, 194, 194, 225, 9,   9,   9,   40,  40,  71,  71,  102, 102, 133, 133,
    164, 164, 195, 195, 226, 10,  10,  10,  41,  41,  72,  72,  103, 103, 134, 134, 165, 165, 196, 196, 227, 11,  11,
    11,  42,  42,  73,  73,  104, 104, 135, 135, 166, 166, 197, 197, 228, 12,  12,  12,  43,  43,  74,  74,  105, 105,
    136, 136, 167, 167, 198, 198, 229, 13,  13,  13,  44,  44,  75,  75,  106, 106, 137, 137, 168, 168, 199, 199, 230,
    14,  14,  14,  45,  45,  76,  76,  107, 107, 138, 138, 169, 169, 200, 200, 231, 15,  15,  15,  46,  46,  77,  77,
    108, 108, 139, 139, 170, 170, 201, 201, 232, 16,  16,  16,  47,  47,  78,  78,  109, 109, 140, 140, 171, 171, 202,
    202, 233, 17,  17,  17,  48,  48,  79,  79,  110, 110, 141, 141, 172, 172, 203, 203, 234, 18,  18,  18,  49,  49,
    80,  80,  111, 111, 142, 142, 173, 173, 204, 204, 235, 19,  19,  19,  50,  50,  81,  81,  112, 112, 143, 143, 174,
    174, 205, 205, 236, 20,  20,  20,  51,  51,  82,  82,  113, 113, 144, 144, 175, 175, 206, 206, 237, 21,  21,  21,
    52,  52,  83,  83,  114, 114, 145, 145, 176, 176, 207, 207, 238, 22,  22,  22,  53,  53,  84,  84,  115, 115, 146,
    146, 177, 177, 208, 208, 239, 23,  23,  23,  54,  54,  85,  85,  116, 116, 147, 147, 178, 178, 209, 209, 240, 24,
    24,  24,  55,  55,  86,  86,  117, 117, 148, 148, 179, 179, 210, 210, 241, 25,  25,  25,  56,  56,  87,  87,  118,
    118, 149, 149, 180, 180, 211, 211, 242, 26,  26,  26,  57,  57,  88,  88,  119, 119, 150, 150, 181, 181, 212, 212,
    243, 27,  27,  27,  58,  58,  89,  89,  120, 120, 151, 151, 182, 182, 213, 213, 244, 28,  28,  28,  59,  59,  90,
    90,  121, 121, 152, 152, 183, 183, 214, 214, 245, 29,  29,  29,  60,  60,  91,  91,  122, 122, 153, 153, 184, 184,
    215, 215, 246, 30,  30,  30,  61,  61,  92,  92,  123, 123, 154, 154, 185, 185, 216, 216, 247, 31,  62,  62,  93,
    93,  124, 124, 155, 155, 186, 186, 217, 217, 248, 63,  94,  94,  125, 125, 156, 156, 187, 187, 218, 218, 249, 95,
    126, 126, 157, 157, 188, 188, 219, 219, 250, 127, 158, 158, 189, 189, 220, 220, 251, 159, 190, 190, 221, 221, 252,
    191, 222, 222, 253, 223, 254, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x32_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6,   6,   0,   0,   1,   8,   2,   9,   3,
    10,  4,   11,  5,   12,  6,   13,  7,   14,  8,   8,   9,   16,  10,  17,  11,  18,  12,  19,  13,  20,  14,  21,
    15,  22,  16,  16,  17,  24,  18,  25,  19,  26,  20,  27,  21,  28,  22,  29,  23,  30,  24,  24,  25,  32,  26,
    33,  27,  34,  28,  35,  29,  36,  30,  37,  31,  38,  32,  32,  33,  40,  34,  41,  35,  42,  36,  43,  37,  44,
    38,  45,  39,  46,  40,  40,  41,  48,  42,  49,  43,  50,  44,  51,  45,  52,  46,  53,  47,  54,  48,  48,  49,
    56,  50,  57,  51,  58,  52,  59,  53,  60,  54,  61,  55,  62,  56,  56,  57,  64,  58,  65,  59,  66,  60,  67,
    61,  68,  62,  69,  63,  70,  64,  64,  65,  72,  66,  73,  67,  74,  68,  75,  69,  76,  70,  77,  71,  78,  72,
    72,  73,  80,  74,  81,  75,  82,  76,  83,  77,  84,  78,  85,  79,  86,  80,  80,  81,  88,  82,  89,  83,  90,
    84,  91,  85,  92,  86,  93,  87,  94,  88,  88,  89,  96,  90,  97,  91,  98,  92,  99,  93,  100, 94,  101, 95,
    102, 96,  96,  97,  104, 98,  105, 99,  106, 100, 107, 101, 108, 102, 109, 103, 110, 104, 104, 105, 112, 106, 113,
    107, 114, 108, 115, 109, 116, 110, 117, 111, 118, 112, 112, 113, 120, 114, 121, 115, 122, 116, 123, 117, 124, 118,
    125, 119, 126, 120, 120, 121, 128, 122, 129, 123, 130, 124, 131, 125, 132, 126, 133, 127, 134, 128, 128, 129, 136,
    130, 137, 131, 138, 132, 139, 133, 140, 134, 141, 135, 142, 136, 136, 137, 144, 138, 145, 139, 146, 140, 147, 141,
    148, 142, 149, 143, 150, 144, 144, 145, 152, 146, 153, 147, 154, 148, 155, 149, 156, 150, 157, 151, 158, 152, 152,
    153, 160, 154, 161, 155, 162, 156, 163, 157, 164, 158, 165, 159, 166, 160, 160, 161, 168, 162, 169, 163, 170, 164,
    171, 165, 172, 166, 173, 167, 174, 168, 168, 169, 176, 170, 177, 171, 178, 172, 179, 173, 180, 174, 181, 175, 182,
    176, 176, 177, 184, 178, 185, 179, 186, 180, 187, 181, 188, 182, 189, 183, 190, 184, 184, 185, 192, 186, 193, 187,
    194, 188, 195, 189, 196, 190, 197, 191, 198, 192, 192, 193, 200, 194, 201, 195, 202, 196, 203, 197, 204, 198, 205,
    199, 206, 200, 200, 201, 208, 202, 209, 203, 210, 204, 211, 205, 212, 206, 213, 207, 214, 208, 208, 209, 216, 210,
    217, 211, 218, 212, 219, 213, 220, 214, 221, 215, 222, 216, 216, 217, 224, 218, 225, 219, 226, 220, 227, 221, 228,
    222, 229, 223, 230, 224, 224, 225, 232, 226, 233, 227, 234, 228, 235, 229, 236, 230, 237, 231, 238, 232, 232, 233,
    240, 234, 241, 235, 242, 236, 243, 237, 244, 238, 245, 239, 246, 240, 240, 241, 248, 242, 249, 243, 250, 244, 251,
    245, 252, 246, 253, 247, 254, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x8_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6,   6,   7,   7,   8,   8,   9,   9,   10,
    10,  11,  11,  12,  12,  13,  13,  14,  14,  15,  15,  16,  16,  17,  17,  18,  18,  19,  19,  20,  20,  21,  21,
    22,  22,  23,  23,  24,  24,  25,  25,  26,  26,  27,  27,  28,  28,  29,  29,  30,  30,  0,   0,   1,   32,  2,
    33,  3,   34,  4,   35,  5,   36,  6,   37,  7,   38,  8,   39,  9,   40,  10,  41,  11,  42,  12,  43,  13,  44,
    14,  45,  15,  46,  16,  47,  17,  48,  18,  49,  19,  50,  20,  51,  21,  52,  22,  53,  23,  54,  24,  55,  25,
    56,  26,  57,  27,  58,  28,  59,  29,  60,  30,  61,  31,  62,  32,  32,  33,  64,  34,  65,  35,  66,  36,  67,
    37,  68,  38,  69,  39,  70,  40,  71,  41,  72,  42,  73,  43,  74,  44,  75,  45,  76,  46,  77,  47,  78,  48,
    79,  49,  80,  50,  81,  51,  82,  52,  83,  53,  84,  54,  85,  55,  86,  56,  87,  57,  88,  58,  89,  59,  90,
    60,  91,  61,  92,  62,  93,  63,  94,  64,  64,  65,  96,  66,  97,  67,  98,  68,  99,  69,  100, 70,  101, 71,
    102, 72,  103, 73,  104, 74,  105, 75,  106, 76,  107, 77,  108, 78,  109, 79,  110, 80,  111, 81,  112, 82,  113,
    83,  114, 84,  115, 85,  116, 86,  117, 87,  118, 88,  119, 89,  120, 90,  121, 91,  122, 92,  123, 93,  124, 94,
    125, 95,  126, 96,  96,  97,  128, 98,  129, 99,  130, 100, 131, 101, 132, 102, 133, 103, 134, 104, 135, 105, 136,
    106, 137, 107, 138, 108, 139, 109, 140, 110, 141, 111, 142, 112, 143, 113, 144, 114, 145, 115, 146, 116, 147, 117,
    148, 118, 149, 119, 150, 120, 151, 121, 152, 122, 153, 123, 154, 124, 155, 125, 156, 126, 157, 127, 158, 128, 128,
    129, 160, 130, 161, 131, 162, 132, 163, 133, 164, 134, 165, 135, 166, 136, 167, 137, 168, 138, 169, 139, 170, 140,
    171, 141, 172, 142, 173, 143, 174, 144, 175, 145, 176, 146, 177, 147, 178, 148, 179, 149, 180, 150, 181, 151, 182,
    152, 183, 153, 184, 154, 185, 155, 186, 156, 187, 157, 188, 158, 189, 159, 190, 160, 160, 161, 192, 162, 193, 163,
    194, 164, 195, 165, 196, 166, 197, 167, 198, 168, 199, 169, 200, 170, 201, 171, 202, 172, 203, 173, 204, 174, 205,
    175, 206, 176, 207, 177, 208, 178, 209, 179, 210, 180, 211, 181, 212, 182, 213, 183, 214, 184, 215, 185, 216, 186,
    217, 187, 218, 188, 219, 189, 220, 190, 221, 191, 222, 192, 192, 193, 224, 194, 225, 195, 226, 196, 227, 197, 228,
    198, 229, 199, 230, 200, 231, 201, 232, 202, 233, 203, 234, 204, 235, 205, 236, 206, 237, 207, 238, 208, 239, 209,
    240, 210, 241, 211, 242, 212, 243, 213, 244, 214, 245, 215, 246, 216, 247, 217, 248, 218, 249, 219, 250, 220, 251,
    221, 252, 222, 253, 223, 254, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x32_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   8,   8,   16,  16,  24,  24,  32,  32,  40,  40,  48,  48,  56,  56,  64,  64,  72,  72,  80,
    80,  88,  88,  96,  96,  104, 104, 112, 112, 120, 120, 128, 128, 136, 136, 144, 144, 152, 152, 160, 160, 168, 168,
    176, 176, 184, 184, 192, 192, 200, 200, 208, 208, 216, 216, 224, 224, 232, 232, 240, 240, 0,   0,   1,   8,   9,
    16,  17,  24,  25,  32,  33,  40,  41,  48,  49,  56,  57,  64,  65,  72,  73,  80,  81,  88,  89,  96,  97,  104,
    105, 112, 113, 120, 121, 128, 129, 136, 137, 144, 145, 152, 153, 160, 161, 168, 169, 176, 177, 184, 185, 192, 193,
    200, 201, 208, 209, 216, 217, 224, 225, 232, 233, 240, 241, 248, 1,   1,   2,   9,   10,  17,  18,  25,  26,  33,
    34,  41,  42,  49,  50,  57,  58,  65,  66,  73,  74,  81,  82,  89,  90,  97,  98,  105, 106, 113, 114, 121, 122,
    129, 130, 137, 138, 145, 146, 153, 154, 161, 162, 169, 170, 177, 178, 185, 186, 193, 194, 201, 202, 209, 210, 217,
    218, 225, 226, 233, 234, 241, 242, 249, 2,   2,   3,   10,  11,  18,  19,  26,  27,  34,  35,  42,  43,  50,  51,
    58,  59,  66,  67,  74,  75,  82,  83,  90,  91,  98,  99,  106, 107, 114, 115, 122, 123, 130, 131, 138, 139, 146,
    147, 154, 155, 162, 163, 170, 171, 178, 179, 186, 187, 194, 195, 202, 203, 210, 211, 218, 219, 226, 227, 234, 235,
    242, 243, 250, 3,   3,   4,   11,  12,  19,  20,  27,  28,  35,  36,  43,  44,  51,  52,  59,  60,  67,  68,  75,
    76,  83,  84,  91,  92,  99,  100, 107, 108, 115, 116, 123, 124, 131, 132, 139, 140, 147, 148, 155, 156, 163, 164,
    171, 172, 179, 180, 187, 188, 195, 196, 203, 204, 211, 212, 219, 220, 227, 228, 235, 236, 243, 244, 251, 4,   4,
    5,   12,  13,  20,  21,  28,  29,  36,  37,  44,  45,  52,  53,  60,  61,  68,  69,  76,  77,  84,  85,  92,  93,
    100, 101, 108, 109, 116, 117, 124, 125, 132, 133, 140, 141, 148, 149, 156, 157, 164, 165, 172, 173, 180, 181, 188,
    189, 196, 197, 204, 205, 212, 213, 220, 221, 228, 229, 236, 237, 244, 245, 252, 5,   5,   6,   13,  14,  21,  22,
    29,  30,  37,  38,  45,  46,  53,  54,  61,  62,  69,  70,  77,  78,  85,  86,  93,  94,  101, 102, 109, 110, 117,
    118, 125, 126, 133, 134, 141, 142, 149, 150, 157, 158, 165, 166, 173, 174, 181, 182, 189, 190, 197, 198, 205, 206,
    213, 214, 221, 222, 229, 230, 237, 238, 245, 246, 253, 6,   6,   7,   14,  15,  22,  23,  30,  31,  38,  39,  46,
    47,  54,  55,  62,  63,  70,  71,  78,  79,  86,  87,  94,  95,  102, 103, 110, 111, 118, 119, 126, 127, 134, 135,
    142, 143, 150, 151, 158, 159, 166, 167, 174, 175, 182, 183, 190, 191, 198, 199, 206, 207, 214, 215, 222, 223, 230,
    231, 238, 239, 246, 247, 254, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x8_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   32,  32,  64,  64,  96,  96,  128, 128, 160, 160, 192, 192, 0,   0,   1,   32,  33,  64,  65,
    96,  97,  128, 129, 160, 161, 192, 193, 224, 1,   1,   2,   33,  34,  65,  66,  97,  98,  129, 130, 161, 162, 193,
    194, 225, 2,   2,   3,   34,  35,  66,  67,  98,  99,  130, 131, 162, 163, 194, 195, 226, 3,   3,   4,   35,  36,
    67,  68,  99,  100, 131, 132, 163, 164, 195, 196, 227, 4,   4,   5,   36,  37,  68,  69,  100, 101, 132, 133, 164,
    165, 196, 197, 228, 5,   5,   6,   37,  38,  69,  70,  101, 102, 133, 134, 165, 166, 197, 198, 229, 6,   6,   7,
    38,  39,  70,  71,  102, 103, 134, 135, 166, 167, 198, 199, 230, 7,   7,   8,   39,  40,  71,  72,  103, 104, 135,
    136, 167, 168, 199, 200, 231, 8,   8,   9,   40,  41,  72,  73,  104, 105, 136, 137, 168, 169, 200, 201, 232, 9,
    9,   10,  41,  42,  73,  74,  105, 106, 137, 138, 169, 170, 201, 202, 233, 10,  10,  11,  42,  43,  74,  75,  106,
    107, 138, 139, 170, 171, 202, 203, 234, 11,  11,  12,  43,  44,  75,  76,  107, 108, 139, 140, 171, 172, 203, 204,
    235, 12,  12,  13,  44,  45,  76,  77,  108, 109, 140, 141, 172, 173, 204, 205, 236, 13,  13,  14,  45,  46,  77,
    78,  109, 110, 141, 142, 173, 174, 205, 206, 237, 14,  14,  15,  46,  47,  78,  79,  110, 111, 142, 143, 174, 175,
    206, 207, 238, 15,  15,  16,  47,  48,  79,  80,  111, 112, 143, 144, 175, 176, 207, 208, 239, 16,  16,  17,  48,
    49,  80,  81,  112, 113, 144, 145, 176, 177, 208, 209, 240, 17,  17,  18,  49,  50,  81,  82,  113, 114, 145, 146,
    177, 178, 209, 210, 241, 18,  18,  19,  50,  51,  82,  83,  114, 115, 146, 147, 178, 179, 210, 211, 242, 19,  19,
    20,  51,  52,  83,  84,  115, 116, 147, 148, 179, 180, 211, 212, 243, 20,  20,  21,  52,  53,  84,  85,  116, 117,
    148, 149, 180, 181, 212, 213, 244, 21,  21,  22,  53,  54,  85,  86,  117, 118, 149, 150, 181, 182, 213, 214, 245,
    22,  22,  23,  54,  55,  86,  87,  118, 119, 150, 151, 182, 183, 214, 215, 246, 23,  23,  24,  55,  56,  87,  88,
    119, 120, 151, 152, 183, 184, 215, 216, 247, 24,  24,  25,  56,  57,  88,  89,  120, 121, 152, 153, 184, 185, 216,
    217, 248, 25,  25,  26,  57,  58,  89,  90,  121, 122, 153, 154, 185, 186, 217, 218, 249, 26,  26,  27,  58,  59,
    90,  91,  122, 123, 154, 155, 186, 187, 218, 219, 250, 27,  27,  28,  59,  60,  91,  92,  123, 124, 155, 156, 187,
    188, 219, 220, 251, 28,  28,  29,  60,  61,  92,  93,  124, 125, 156, 157, 188, 189, 220, 221, 252, 29,  29,  30,
    61,  62,  93,  94,  125, 126, 157, 158, 189, 190, 221, 222, 253, 30,  30,  31,  62,  63,  94,  95,  126, 127, 158,
    159, 190, 191, 222, 223, 254, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  8,  8,  16, 16, 24, 24, 32, 32, 40, 40, 48, 48, 0,  0,  1,  8,  9,  16, 17, 24, 25, 32,
    33, 40, 41, 48, 49, 56, 1,  1,  2,  9,  10, 17, 18, 25, 26, 33, 34, 41, 42, 49, 50, 57, 2,  2,  3,  10,
    11, 18, 19, 26, 27, 34, 35, 42, 43, 50, 51, 58, 3,  3,  4,  11, 12, 19, 20, 27, 28, 35, 36, 43, 44, 51,
    52, 59, 4,  4,  5,  12, 13, 20, 21, 28, 29, 36, 37, 44, 45, 52, 53, 60, 5,  5,  6,  13, 14, 21, 22, 29,
    30, 37, 38, 45, 46, 53, 54, 61, 6,  6,  7,  14, 15, 22, 23, 30, 31, 38, 39, 46, 47, 54, 55, 62, 0,  0,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  1,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  6,  0,  0,  1,  8,  2,  9,  3,  10, 4,  11,
    5,  12, 6,  13, 7,  14, 8,  8,  9,  16, 10, 17, 11, 18, 12, 19, 13, 20, 14, 21, 15, 22, 16, 16, 17, 24,
    18, 25, 19, 26, 20, 27, 21, 28, 22, 29, 23, 30, 24, 24, 25, 32, 26, 33, 27, 34, 28, 35, 29, 36, 30, 37,
    31, 38, 32, 32, 33, 40, 34, 41, 35, 42, 36, 43, 37, 44, 38, 45, 39, 46, 40, 40, 41, 48, 42, 49, 43, 50,
    44, 51, 45, 52, 46, 53, 47, 54, 48, 48, 49, 56, 50, 57, 51, 58, 52, 59, 53, 60, 54, 61, 55, 62, 0,  0,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  0,  0,  8,  8,  1,  8,  1,  1,  2,  2,  2,  9,  9,  16, 16, 16, 24, 24, 17, 24, 10, 17,
    3,  10, 3,  3,  4,  4,  4,  11, 11, 18, 18, 25, 25, 32, 32, 32, 40, 40, 33, 40, 26, 33, 19, 26, 12, 19,
    5,  12, 5,  5,  6,  6,  6,  13, 13, 20, 20, 27, 27, 34, 34, 41, 41, 48, 48, 48, 49, 56, 42, 49, 35, 42,
    28, 35, 21, 28, 14, 21, 7,  14, 15, 22, 22, 29, 29, 36, 36, 43, 43, 50, 50, 57, 51, 58, 44, 51, 37, 44,
    30, 37, 23, 30, 31, 38, 38, 45, 45, 52, 52, 59, 53, 60, 46, 53, 39, 46, 47, 54, 54, 61, 55, 62, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x16_neighbors[129 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   0,   0,   1,   1,   1,   8,   8,   8,   2,   2,   2,   9,   9,  16,  16,  16,  3,   3,
    3,   10,  10,  17,  17,  24,  24,  24,  4,   4,   4,   11,  11,  18,  18,  25,  25, 32,  32,  32,  5,   5,
    5,   12,  12,  19,  19,  26,  26,  33,  33,  40,  40,  40,  6,   6,   6,   13,  13, 20,  20,  27,  27,  34,
    34,  41,  41,  48,  48,  48,  7,   14,  14,  21,  21,  28,  28,  35,  35,  42,  42, 49,  49,  56,  56,  56,
    15,  22,  22,  29,  29,  36,  36,  43,  43,  50,  50,  57,  57,  64,  64,  64,  23, 30,  30,  37,  37,  44,
    44,  51,  51,  58,  58,  65,  65,  72,  72,  72,  31,  38,  38,  45,  45,  52,  52, 59,  59,  66,  66,  73,
    73,  80,  80,  80,  39,  46,  46,  53,  53,  60,  60,  67,  67,  74,  74,  81,  81, 88,  88,  88,  47,  54,
    54,  61,  61,  68,  68,  75,  75,  82,  82,  89,  89,  96,  96,  96,  55,  62,  62, 69,  69,  76,  76,  83,
    83,  90,  90,  97,  97,  104, 104, 104, 63,  70,  70,  77,  77,  84,  84,  91,  91, 98,  98,  105, 105, 112,
    112, 112, 71,  78,  78,  85,  85,  92,  92,  99,  99,  106, 106, 113, 113, 120, 79, 86,  86,  93,  93,  100,
    100, 107, 107, 114, 114, 121, 87,  94,  94,  101, 101, 108, 108, 115, 115, 122, 95, 102, 102, 109, 109, 116,
    116, 123, 103, 110, 110, 117, 117, 124, 111, 118, 118, 125, 119, 126, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x8_neighbors[129 * MAX_NEIGHBORS]) = {
    0,  0,   0,   0,   0,  0,   1,   1,   1,   16,  16, 16,  2,   2,   2,   17,  17, 32,  32,  32,  3,   3,   3,   18,
    18, 33,  33,  48,  48, 48,  4,   4,   4,   19,  19, 34,  34,  49,  49,  64,  64, 64,  5,   5,   5,   20,  20,  35,
    35, 50,  50,  65,  65, 80,  80,  80,  6,   6,   6,  21,  21,  36,  36,  51,  51, 66,  66,  81,  81,  96,  96,  96,
    7,  7,   7,   22,  22, 37,  37,  52,  52,  67,  67, 82,  82,  97,  97,  112, 8,  8,   8,   23,  23,  38,  38,  53,
    53, 68,  68,  83,  83, 98,  98,  113, 9,   9,   9,  24,  24,  39,  39,  54,  54, 69,  69,  84,  84,  99,  99,  114,
    10, 10,  10,  25,  25, 40,  40,  55,  55,  70,  70, 85,  85,  100, 100, 115, 11, 11,  11,  26,  26,  41,  41,  56,
    56, 71,  71,  86,  86, 101, 101, 116, 12,  12,  12, 27,  27,  42,  42,  57,  57, 72,  72,  87,  87,  102, 102, 117,
    13, 13,  13,  28,  28, 43,  43,  58,  58,  73,  73, 88,  88,  103, 103, 118, 14, 14,  14,  29,  29,  44,  44,  59,
    59, 74,  74,  89,  89, 104, 104, 119, 15,  30,  30, 45,  45,  60,  60,  75,  75, 90,  90,  105, 105, 120, 31,  46,
    46, 61,  61,  76,  76, 91,  91,  106, 106, 121, 47, 62,  62,  77,  77,  92,  92, 107, 107, 122, 63,  78,  78,  93,
    93, 108, 108, 123, 79, 94,  94,  109, 109, 124, 95, 110, 110, 125, 111, 126, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x16_neighbors[129 * MAX_NEIGHBORS]) = {
    0,  0,   0,   0,   8,   8,   16,  16,  24, 24,  32,  32,  40,  40,  48,  48,  56, 56,  64,  64,  72,  72,  80,  80,
    88, 88,  96,  96,  104, 104, 112, 112, 0,  0,   1,   8,   9,   16,  17,  24,  25, 32,  33,  40,  41,  48,  49,  56,
    57, 64,  65,  72,  73,  80,  81,  88,  89, 96,  97,  104, 105, 112, 113, 120, 1,  1,   2,   9,   10,  17,  18,  25,
    26, 33,  34,  41,  42,  49,  50,  57,  58, 65,  66,  73,  74,  81,  82,  89,  90, 97,  98,  105, 106, 113, 114, 121,
    2,  2,   3,   10,  11,  18,  19,  26,  27, 34,  35,  42,  43,  50,  51,  58,  59, 66,  67,  74,  75,  82,  83,  90,
    91, 98,  99,  106, 107, 114, 115, 122, 3,  3,   4,   11,  12,  19,  20,  27,  28, 35,  36,  43,  44,  51,  52,  59,
    60, 67,  68,  75,  76,  83,  84,  91,  92, 99,  100, 107, 108, 115, 116, 123, 4,  4,   5,   12,  13,  20,  21,  28,
    29, 36,  37,  44,  45,  52,  53,  60,  61, 68,  69,  76,  77,  84,  85,  92,  93, 100, 101, 108, 109, 116, 117, 124,
    5,  5,   6,   13,  14,  21,  22,  29,  30, 37,  38,  45,  46,  53,  54,  61,  62, 69,  70,  77,  78,  85,  86,  93,
    94, 101, 102, 109, 110, 117, 118, 125, 6,  6,   7,   14,  15,  22,  23,  30,  31, 38,  39,  46,  47,  54,  55,  62,
    63, 70,  71,  78,  79,  86,  87,  94,  95, 102, 103, 110, 111, 118, 119, 126, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x8_neighbors[129 * MAX_NEIGHBORS]) = {
    0,  0,  0,  0,  16, 16,  32,  32,  48, 48, 64, 64, 80, 80,  96,  96,  0,  0,  1,  16, 17, 32,  33,  48,
    49, 64, 65, 80, 81, 96,  97,  112, 1,  1,  2,  17, 18, 33,  34,  49,  50, 65, 66, 81, 82, 97,  98,  113,
    2,  2,  3,  18, 19, 34,  35,  50,  51, 66, 67, 82, 83, 98,  99,  114, 3,  3,  4,  19, 20, 35,  36,  51,
    52, 67, 68, 83, 84, 99,  100, 115, 4,  4,  5,  20, 21, 36,  37,  52,  53, 68, 69, 84, 85, 100, 101, 116,
    5,  5,  6,  21, 22, 37,  38,  53,  54, 69, 70, 85, 86, 101, 102, 117, 6,  6,  7,  22, 23, 38,  39,  54,
    55, 70, 71, 86, 87, 102, 103, 118, 7,  7,  8,  23, 24, 39,  40,  55,  56, 71, 72, 87, 88, 103, 104, 119,
    8,  8,  9,  24, 25, 40,  41,  56,  57, 72, 73, 88, 89, 104, 105, 120, 9,  9,  10, 25, 26, 41,  42,  57,
    58, 73, 74, 89, 90, 105, 106, 121, 10, 10, 11, 26, 27, 42,  43,  58,  59, 74, 75, 90, 91, 106, 107, 122,
    11, 11, 12, 27, 28, 43,  44,  59,  60, 75, 76, 91, 92, 107, 108, 123, 12, 12, 13, 28, 29, 44,  45,  60,
    61, 76, 77, 92, 93, 108, 109, 124, 13, 13, 14, 29, 30, 45,  46,  61,  62, 77, 78, 93, 94, 109, 110, 125,
    14, 14, 15, 30, 31, 46,  47,  62,  63, 78, 79, 94, 95, 110, 111, 126, 0,  0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x16_neighbors[129 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6,   6,   0,   0,   1,   8,   2,   9,
    3,   10,  4,   11,  5,   12,  6,   13,  7,   14,  8,   8,   9,   16,  10,  17,  11,  18,  12,  19,  13,  20,
    14,  21,  15,  22,  16,  16,  17,  24,  18,  25,  19,  26,  20,  27,  21,  28,  22,  29,  23,  30,  24,  24,
    25,  32,  26,  33,  27,  34,  28,  35,  29,  36,  30,  37,  31,  38,  32,  32,  33,  40,  34,  41,  35,  42,
    36,  43,  37,  44,  38,  45,  39,  46,  40,  40,  41,  48,  42,  49,  43,  50,  44,  51,  45,  52,  46,  53,
    47,  54,  48,  48,  49,  56,  50,  57,  51,  58,  52,  59,  53,  60,  54,  61,  55,  62,  56,  56,  57,  64,
    58,  65,  59,  66,  60,  67,  61,  68,  62,  69,  63,  70,  64,  64,  65,  72,  66,  73,  67,  74,  68,  75,
    69,  76,  70,  77,  71,  78,  72,  72,  73,  80,  74,  81,  75,  82,  76,  83,  77,  84,  78,  85,  79,  86,
    80,  80,  81,  88,  82,  89,  83,  90,  84,  91,  85,  92,  86,  93,  87,  94,  88,  88,  89,  96,  90,  97,
    91,  98,  92,  99,  93,  100, 94,  101, 95,  102, 96,  96,  97,  104, 98,  105, 99,  106, 100, 107, 101, 108,
    102, 109, 103, 110, 104, 104, 105, 112, 106, 113, 107, 114, 108, 115, 109, 116, 110, 117, 111, 118, 112, 112,
    113, 120, 114, 121, 115, 122, 116, 123, 117, 124, 118, 125, 119, 126, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x8_neighbors[129 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6,   6,   7,   7,   8,   8,   9,   9,
    10,  10,  11,  11,  12,  12,  13,  13,  14,  14,  0,   0,   1,   16,  2,   17,  3,   18,  4,   19,  5,   20,
    6,   21,  7,   22,  8,   23,  9,   24,  10,  25,  11,  26,  12,  27,  13,  28,  14,  29,  15,  30,  16,  16,
    17,  32,  18,  33,  19,  34,  20,  35,  21,  36,  22,  37,  23,  38,  24,  39,  25,  40,  26,  41,  27,  42,
    28,  43,  29,  44,  30,  45,  31,  46,  32,  32,  33,  48,  34,  49,  35,  50,  36,  51,  37,  52,  38,  53,
    39,  54,  40,  55,  41,  56,  42,  57,  43,  58,  44,  59,  45,  60,  46,  61,  47,  62,  48,  48,  49,  64,
    50,  65,  51,  66,  52,  67,  53,  68,  54,  69,  55,  70,  56,  71,  57,  72,  58,  73,  59,  74,  60,  75,
    61,  76,  62,  77,  63,  78,  64,  64,  65,  80,  66,  81,  67,  82,  68,  83,  69,  84,  70,  85,  71,  86,
    72,  87,  73,  88,  74,  89,  75,  90,  76,  91,  77,  92,  78,  93,  79,  94,  80,  80,  81,  96,  82,  97,
    83,  98,  84,  99,  85,  100, 86,  101, 87,  102, 88,  103, 89,  104, 90,  105, 91,  106, 92,  107, 93,  108,
    94,  109, 95,  110, 96,  96,  97,  112, 98,  113, 99,  114, 100, 115, 101, 116, 102, 117, 103, 118, 104, 119,
    105, 120, 106, 121, 107, 122, 108, 123, 109, 124, 110, 125, 111, 126, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x32_neighbors[513 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   0,   0,   1,   1,   1,   16,  16,  16,  2,   2,   2,   17,  17,  32,  32,  32,  3,   3,   3,
    18,  18,  33,  33,  48,  48,  48,  4,   4,   4,   19,  19,  34,  34,  49,  49,  64,  64,  64,  5,   5,   5,   20,
    20,  35,  35,  50,  50,  65,  65,  80,  80,  80,  6,   6,   6,   21,  21,  36,  36,  51,  51,  66,  66,  81,  81,
    96,  96,  96,  7,   7,   7,   22,  22,  37,  37,  52,  52,  67,  67,  82,  82,  97,  97,  112, 112, 112, 8,   8,
    8,   23,  23,  38,  38,  53,  53,  68,  68,  83,  83,  98,  98,  113, 113, 128, 128, 128, 9,   9,   9,   24,  24,
    39,  39,  54,  54,  69,  69,  84,  84,  99,  99,  114, 114, 129, 129, 144, 144, 144, 10,  10,  10,  25,  25,  40,
    40,  55,  55,  70,  70,  85,  85,  100, 100, 115, 115, 130, 130, 145, 145, 160, 160, 160, 11,  11,  11,  26,  26,
    41,  41,  56,  56,  71,  71,  86,  86,  101, 101, 116, 116, 131, 131, 146, 146, 161, 161, 176, 176, 176, 12,  12,
    12,  27,  27,  42,  42,  57,  57,  72,  72,  87,  87,  102, 102, 117, 117, 132, 132, 147, 147, 162, 162, 177, 177,
    192, 192, 192, 13,  13,  13,  28,  28,  43,  43,  58,  58,  73,  73,  88,  88,  103, 103, 118, 118, 133, 133, 148,
    148, 163, 163, 178, 178, 193, 193, 208, 208, 208, 14,  14,  14,  29,  29,  44,  44,  59,  59,  74,  74,  89,  89,
    104, 104, 119, 119, 134, 134, 149, 149, 164, 164, 179, 179, 194, 194, 209, 209, 224, 224, 224, 15,  30,  30,  45,
    45,  60,  60,  75,  75,  90,  90,  105, 105, 120, 120, 135, 135, 150, 150, 165, 165, 180, 180, 195, 195, 210, 210,
    225, 225, 240, 240, 240, 31,  46,  46,  61,  61,  76,  76,  91,  91,  106, 106, 121, 121, 136, 136, 151, 151, 166,
    166, 181, 181, 196, 196, 211, 211, 226, 226, 241, 241, 256, 256, 256, 47,  62,  62,  77,  77,  92,  92,  107, 107,
    122, 122, 137, 137, 152, 152, 167, 167, 182, 182, 197, 197, 212, 212, 227, 227, 242, 242, 257, 257, 272, 272, 272,
    63,  78,  78,  93,  93,  108, 108, 123, 123, 138, 138, 153, 153, 168, 168, 183, 183, 198, 198, 213, 213, 228, 228,
    243, 243, 258, 258, 273, 273, 288, 288, 288, 79,  94,  94,  109, 109, 124, 124, 139, 139, 154, 154, 169, 169, 184,
    184, 199, 199, 214, 214, 229, 229, 244, 244, 259, 259, 274, 274, 289, 289, 304, 304, 304, 95,  110, 110, 125, 125,
    140, 140, 155, 155, 170, 170, 185, 185, 200, 200, 215, 215, 230, 230, 245, 245, 260, 260, 275, 275, 290, 290, 305,
    305, 320, 320, 320, 111, 126, 126, 141, 141, 156, 156, 171, 171, 186, 186, 201, 201, 216, 216, 231, 231, 246, 246,
    261, 261, 276, 276, 291, 291, 306, 306, 321, 321, 336, 336, 336, 127, 142, 142, 157, 157, 172, 172, 187, 187, 202,
    202, 217, 217, 232, 232, 247, 247, 262, 262, 277, 277, 292, 292, 307, 307, 322, 322, 337, 337, 352, 352, 352, 143,
    158, 158, 173, 173, 188, 188, 203, 203, 218, 218, 233, 233, 248, 248, 263, 263, 278, 278, 293, 293, 308, 308, 323,
    323, 338, 338, 353, 353, 368, 368, 368, 159, 174, 174, 189, 189, 204, 204, 219, 219, 234, 234, 249, 249, 264, 264,
    279, 279, 294, 294, 309, 309, 324, 324, 339, 339, 354, 354, 369, 369, 384, 384, 384, 175, 190, 190, 205, 205, 220,
    220, 235, 235, 250, 250, 265, 265, 280, 280, 295, 295, 310, 310, 325, 325, 340, 340, 355, 355, 370, 370, 385, 385,
    400, 400, 400, 191, 206, 206, 221, 221, 236, 236, 251, 251, 266, 266, 281, 281, 296, 296, 311, 311, 326, 326, 341,
    341, 356, 356, 371, 371, 386, 386, 401, 401, 416, 416, 416, 207, 222, 222, 237, 237, 252, 252, 267, 267, 282, 282,
    297, 297, 312, 312, 327, 327, 342, 342, 357, 357, 372, 372, 387, 387, 402, 402, 417, 417, 432, 432, 432, 223, 238,
    238, 253, 253, 268, 268, 283, 283, 298, 298, 313, 313, 328, 328, 343, 343, 358, 358, 373, 373, 388, 388, 403, 403,
    418, 418, 433, 433, 448, 448, 448, 239, 254, 254, 269, 269, 284, 284, 299, 299, 314, 314, 329, 329, 344, 344, 359,
    359, 374, 374, 389, 389, 404, 404, 419, 419, 434, 434, 449, 449, 464, 464, 464, 255, 270, 270, 285, 285, 300, 300,
    315, 315, 330, 330, 345, 345, 360, 360, 375, 375, 390, 390, 405, 405, 420, 420, 435, 435, 450, 450, 465, 465, 480,
    480, 480, 271, 286, 286, 301, 301, 316, 316, 331, 331, 346, 346, 361, 361, 376, 376, 391, 391, 406, 406, 421, 421,
    436, 436, 451, 451, 466, 466, 481, 481, 496, 287, 302, 302, 317, 317, 332, 332, 347, 347, 362, 362, 377, 377, 392,
    392, 407, 407, 422, 422, 437, 437, 452, 452, 467, 467, 482, 482, 497, 303, 318, 318, 333, 333, 348, 348, 363, 363,
    378, 378, 393, 393, 408, 408, 423, 423, 438, 438, 453, 453, 468, 468, 483, 483, 498, 319, 334, 334, 349, 349, 364,
    364, 379, 379, 394, 394, 409, 409, 424, 424, 439, 439, 454, 454, 469, 469, 484, 484, 499, 335, 350, 350, 365, 365,
    380, 380, 395, 395, 410, 410, 425, 425, 440, 440, 455, 455, 470, 470, 485, 485, 500, 351, 366, 366, 381, 381, 396,
    396, 411, 411, 426, 426, 441, 441, 456, 456, 471, 471, 486, 486, 501, 367, 382, 382, 397, 397, 412, 412, 427, 427,
    442, 442, 457, 457, 472, 472, 487, 487, 502, 383, 398, 398, 413, 413, 428, 428, 443, 443, 458, 458, 473, 473, 488,
    488, 503, 399, 414, 414, 429, 429, 444, 444, 459, 459, 474, 474, 489, 489, 504, 415, 430, 430, 445, 445, 460, 460,
    475, 475, 490, 490, 505, 431, 446, 446, 461, 461, 476, 476, 491, 491, 506, 447, 462, 462, 477, 477, 492, 492, 507,
    463, 478, 478, 493, 493, 508, 479, 494, 494, 509, 495, 510, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, default_scan_32x16_neighbors[513 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   0,   0,   1,   1,   1,   32,  32,  32,  2,   2,   2,   33,  33,  64,  64,  64,  3,   3,   3,
    34,  34,  65,  65,  96,  96,  96,  4,   4,   4,   35,  35,  66,  66,  97,  97,  128, 128, 128, 5,   5,   5,   36,
    36,  67,  67,  98,  98,  129, 129, 160, 160, 160, 6,   6,   6,   37,  37,  68,  68,  99,  99,  130, 130, 161, 161,
    192, 192, 192, 7,   7,   7,   38,  38,  69,  69,  100, 100, 131, 131, 162, 162, 193, 193, 224, 224, 224, 8,   8,
    8,   39,  39,  70,  70,  101, 101, 132, 132, 163, 163, 194, 194, 225, 225, 256, 256, 256, 9,   9,   9,   40,  40,
    71,  71,  102, 102, 133, 133, 164, 164, 195, 195, 226, 226, 257, 257, 288, 288, 288, 10,  10,  10,  41,  41,  72,
    72,  103, 103, 134, 134, 165, 165, 196, 196, 227, 227, 258, 258, 289, 289, 320, 320, 320, 11,  11,  11,  42,  42,
    73,  73,  104, 104, 135, 135, 166, 166, 197, 197, 228, 228, 259, 259, 290, 290, 321, 321, 352, 352, 352, 12,  12,
    12,  43,  43,  74,  74,  105, 105, 136, 136, 167, 167, 198, 198, 229, 229, 260, 260, 291, 291, 322, 322, 353, 353,
    384, 384, 384, 13,  13,  13,  44,  44,  75,  75,  106, 106, 137, 137, 168, 168, 199, 199, 230, 230, 261, 261, 292,
    292, 323, 323, 354, 354, 385, 385, 416, 416, 416, 14,  14,  14,  45,  45,  76,  76,  107, 107, 138, 138, 169, 169,
    200, 200, 231, 231, 262, 262, 293, 293, 324, 324, 355, 355, 386, 386, 417, 417, 448, 448, 448, 15,  15,  15,  46,
    46,  77,  77,  108, 108, 139, 139, 170, 170, 201, 201, 232, 232, 263, 263, 294, 294, 325, 325, 356, 356, 387, 387,
    418, 418, 449, 449, 480, 16,  16,  16,  47,  47,  78,  78,  109, 109, 140, 140, 171, 171, 202, 202, 233, 233, 264,
    264, 295, 295, 326, 326, 357, 357, 388, 388, 419, 419, 450, 450, 481, 17,  17,  17,  48,  48,  79,  79,  110, 110,
    141, 141, 172, 172, 203, 203, 234, 234, 265, 265, 296, 296, 327, 327, 358, 358, 389, 389, 420, 420, 451, 451, 482,
    18,  18,  18,  49,  49,  80,  80,  111, 111, 142, 142, 173, 173, 204, 204, 235, 235, 266, 266, 297, 297, 328, 328,
    359, 359, 390, 390, 421, 421, 452, 452, 483, 19,  19,  19,  50,  50,  81,  81,  112, 112, 143, 143, 174, 174, 205,
    205, 236, 236, 267, 267, 298, 298, 329, 329, 360, 360, 391, 391, 422, 422, 453, 453, 484, 20,  20,  20,  51,  51,
    82,  82,  113, 113, 144, 144, 175, 175, 206, 206, 237, 237, 268, 268, 299, 299, 330, 330, 361, 361, 392, 392, 423,
    423, 454, 454, 485, 21,  21,  21,  52,  52,  83,  83,  114, 114, 145, 145, 176, 176, 207, 207, 238, 238, 269, 269,
    300, 300, 331, 331, 362, 362, 393, 393, 424, 424, 455, 455, 486, 22,  22,  22,  53,  53,  84,  84,  115, 115, 146,
    146, 177, 177, 208, 208, 239, 239, 270, 270, 301, 301, 332, 332, 363, 363, 394, 394, 425, 425, 456, 456, 487, 23,
    23,  23,  54,  54,  85,  85,  116, 116, 147, 147, 178, 178, 209, 209, 240, 240, 271, 271, 302, 302, 333, 333, 364,
    364, 395, 395, 426, 426, 457, 457, 488, 24,  24,  24,  55,  55,  86,  86,  117, 117, 148, 148, 179, 179, 210, 210,
    241, 241, 272, 272, 303, 303, 334, 334, 365, 365, 396, 396, 427, 427, 458, 458, 489, 25,  25,  25,  56,  56,  87,
    87,  118, 118, 149, 149, 180, 180, 211, 211, 242, 242, 273, 273, 304, 304, 335, 335, 366, 366, 397, 397, 428, 428,
    459, 459, 490, 26,  26,  26,  57,  57,  88,  88,  119, 119, 150, 150, 181, 181, 212, 212, 243, 243, 274, 274, 305,
    305, 336, 336, 367, 367, 398, 398, 429, 429, 460, 460, 491, 27,  27,  27,  58,  58,  89,  89,  120, 120, 151, 151,
    182, 182, 213, 213, 244, 244, 275, 275, 306, 306, 337, 337, 368, 368, 399, 399, 430, 430, 461, 461, 492, 28,  28,
    28,  59,  59,  90,  90,  121, 121, 152, 152, 183, 183, 214, 214, 245, 245, 276, 276, 307, 307, 338, 338, 369, 369,
    400, 400, 431, 431, 462, 462, 493, 29,  29,  29,  60,  60,  91,  91,  122, 122, 153, 153, 184, 184, 215, 215, 246,
    246, 277, 277, 308, 308, 339, 339, 370, 370, 401, 401, 432, 432, 463, 463, 494, 30,  30,  30,  61,  61,  92,  92,
    123, 123, 154, 154, 185, 185, 216, 216, 247, 247, 278, 278, 309, 309, 340, 340, 371, 371, 402, 402, 433, 433, 464,
    464, 495, 31,  62,  62,  93,  93,  124, 124, 155, 155, 186, 186, 217, 217, 248, 248, 279, 279, 310, 310, 341, 341,
    372, 372, 403, 403, 434, 434, 465, 465, 496, 63,  94,  94,  125, 125, 156, 156, 187, 187, 218, 218, 249, 249, 280,
    280, 311, 311, 342, 342, 373, 373, 404, 404, 435, 435, 466, 466, 497, 95,  126, 126, 157, 157, 188, 188, 219, 219,
    250, 250, 281, 281, 312, 312, 343, 343, 374, 374, 405, 405, 436, 436, 467, 467, 498, 127, 158, 158, 189, 189, 220,
    220, 251, 251, 282, 282, 313, 313, 344, 344, 375, 375, 406, 406, 437, 437, 468, 468, 499, 159, 190, 190, 221, 221,
    252, 252, 283, 283, 314, 314, 345, 345, 376, 376, 407, 407, 438, 438, 469, 469, 500, 191, 222, 222, 253, 253, 284,
    284, 315, 315, 346, 346, 377, 377, 408, 408, 439, 439, 470, 470, 501, 223, 254, 254, 285, 285, 316, 316, 347, 347,
    378, 378, 409, 409, 440, 440, 471, 471, 502, 255, 286, 286, 317, 317, 348, 348, 379, 379, 410, 410, 441, 441, 472,
    472, 503, 287, 318, 318, 349, 349, 380, 380, 411, 411, 442, 442, 473, 473, 504, 319, 350, 350, 381, 381, 412, 412,
    443, 443, 474, 474, 505, 351, 382, 382, 413, 413, 444, 444, 475, 475, 506, 383, 414, 414, 445, 445, 476, 476, 507,
    415, 446, 446, 477, 477, 508, 447, 478, 478, 509, 479, 510, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x32_neighbors[513 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   16,  16,  32,  32,  48,  48,  64,  64,  80,  80,  96,  96,  112, 112, 128, 128, 144, 144, 160,
    160, 176, 176, 192, 192, 208, 208, 224, 224, 240, 240, 256, 256, 272, 272, 288, 288, 304, 304, 320, 320, 336, 336,
    352, 352, 368, 368, 384, 384, 400, 400, 416, 416, 432, 432, 448, 448, 464, 464, 480, 480, 0,   0,   1,   16,  17,
    32,  33,  48,  49,  64,  65,  80,  81,  96,  97,  112, 113, 128, 129, 144, 145, 160, 161, 176, 177, 192, 193, 208,
    209, 224, 225, 240, 241, 256, 257, 272, 273, 288, 289, 304, 305, 320, 321, 336, 337, 352, 353, 368, 369, 384, 385,
    400, 401, 416, 417, 432, 433, 448, 449, 464, 465, 480, 481, 496, 1,   1,   2,   17,  18,  33,  34,  49,  50,  65,
    66,  81,  82,  97,  98,  113, 114, 129, 130, 145, 146, 161, 162, 177, 178, 193, 194, 209, 210, 225, 226, 241, 242,
    257, 258, 273, 274, 289, 290, 305, 306, 321, 322, 337, 338, 353, 354, 369, 370, 385, 386, 401, 402, 417, 418, 433,
    434, 449, 450, 465, 466, 481, 482, 497, 2,   2,   3,   18,  19,  34,  35,  50,  51,  66,  67,  82,  83,  98,  99,
    114, 115, 130, 131, 146, 147, 162, 163, 178, 179, 194, 195, 210, 211, 226, 227, 242, 243, 258, 259, 274, 275, 290,
    291, 306, 307, 322, 323, 338, 339, 354, 355, 370, 371, 386, 387, 402, 403, 418, 419, 434, 435, 450, 451, 466, 467,
    482, 483, 498, 3,   3,   4,   19,  20,  35,  36,  51,  52,  67,  68,  83,  84,  99,  100, 115, 116, 131, 132, 147,
    148, 163, 164, 179, 180, 195, 196, 211, 212, 227, 228, 243, 244, 259, 260, 275, 276, 291, 292, 307, 308, 323, 324,
    339, 340, 355, 356, 371, 372, 387, 388, 403, 404, 419, 420, 435, 436, 451, 452, 467, 468, 483, 484, 499, 4,   4,
    5,   20,  21,  36,  37,  52,  53,  68,  69,  84,  85,  100, 101, 116, 117, 132, 133, 148, 149, 164, 165, 180, 181,
    196, 197, 212, 213, 228, 229, 244, 245, 260, 261, 276, 277, 292, 293, 308, 309, 324, 325, 340, 341, 356, 357, 372,
    373, 388, 389, 404, 405, 420, 421, 436, 437, 452, 453, 468, 469, 484, 485, 500, 5,   5,   6,   21,  22,  37,  38,
    53,  54,  69,  70,  85,  86,  101, 102, 117, 118, 133, 134, 149, 150, 165, 166, 181, 182, 197, 198, 213, 214, 229,
    230, 245, 246, 261, 262, 277, 278, 293, 294, 309, 310, 325, 326, 341, 342, 357, 358, 373, 374, 389, 390, 405, 406,
    421, 422, 437, 438, 453, 454, 469, 470, 485, 486, 501, 6,   6,   7,   22,  23,  38,  39,  54,  55,  70,  71,  86,
    87,  102, 103, 118, 119, 134, 135, 150, 151, 166, 167, 182, 183, 198, 199, 214, 215, 230, 231, 246, 247, 262, 263,
    278, 279, 294, 295, 310, 311, 326, 327, 342, 343, 358, 359, 374, 375, 390, 391, 406, 407, 422, 423, 438, 439, 454,
    455, 470, 471, 486, 487, 502, 7,   7,   8,   23,  24,  39,  40,  55,  56,  71,  72,  87,  88,  103, 104, 119, 120,
    135, 136, 151, 152, 167, 168, 183, 184, 199, 200, 215, 216, 231, 232, 247, 248, 263, 264, 279, 280, 295, 296, 311,
    312, 327, 328, 343, 344, 359, 360, 375, 376, 391, 392, 407, 408, 423, 424, 439, 440, 455, 456, 471, 472, 487, 488,
    503, 8,   8,   9,   24,  25,  40,  41,  56,  57,  72,  73,  88,  89,  104, 105, 120, 121, 136, 137, 152, 153, 168,
    169, 184, 185, 200, 201, 216, 217, 232, 233, 248, 249, 264, 265, 280, 281, 296, 297, 312, 313, 328, 329, 344, 345,
    360, 361, 376, 377, 392, 393, 408, 409, 424, 425, 440, 441, 456, 457, 472, 473, 488, 489, 504, 9,   9,   10,  25,
    26,  41,  42,  57,  58,  73,  74,  89,  90,  105, 106, 121, 122, 137, 138, 153, 154, 169, 170, 185, 186, 201, 202,
    217, 218, 233, 234, 249, 250, 265, 266, 281, 282, 297, 298, 313, 314, 329, 330, 345, 346, 361, 362, 377, 378, 393,
    394, 409, 410, 425, 426, 441, 442, 457, 458, 473, 474, 489, 490, 505, 10,  10,  11,  26,  27,  42,  43,  58,  59,
    74,  75,  90,  91,  106, 107, 122, 123, 138, 139, 154, 155, 170, 171, 186, 187, 202, 203, 218, 219, 234, 235, 250,
    251, 266, 267, 282, 283, 298, 299, 314, 315, 330, 331, 346, 347, 362, 363, 378, 379, 394, 395, 410, 411, 426, 427,
    442, 443, 458, 459, 474, 475, 490, 491, 506, 11,  11,  12,  27,  28,  43,  44,  59,  60,  75,  76,  91,  92,  107,
    108, 123, 124, 139, 140, 155, 156, 171, 172, 187, 188, 203, 204, 219, 220, 235, 236, 251, 252, 267, 268, 283, 284,
    299, 300, 315, 316, 331, 332, 347, 348, 363, 364, 379, 380, 395, 396, 411, 412, 427, 428, 443, 444, 459, 460, 475,
    476, 491, 492, 507, 12,  12,  13,  28,  29,  44,  45,  60,  61,  76,  77,  92,  93,  108, 109, 124, 125, 140, 141,
    156, 157, 172, 173, 188, 189, 204, 205, 220, 221, 236, 237, 252, 253, 268, 269, 284, 285, 300, 301, 316, 317, 332,
    333, 348, 349, 364, 365, 380, 381, 396, 397, 412, 413, 428, 429, 444, 445, 460, 461, 476, 477, 492, 493, 508, 13,
    13,  14,  29,  30,  45,  46,  61,  62,  77,  78,  93,  94,  109, 110, 125, 126, 141, 142, 157, 158, 173, 174, 189,
    190, 205, 206, 221, 222, 237, 238, 253, 254, 269, 270, 285, 286, 301, 302, 317, 318, 333, 334, 349, 350, 365, 366,
    381, 382, 397, 398, 413, 414, 429, 430, 445, 446, 461, 462, 477, 478, 493, 494, 509, 14,  14,  15,  30,  31,  46,
    47,  62,  63,  78,  79,  94,  95,  110, 111, 126, 127, 142, 143, 158, 159, 174, 175, 190, 191, 206, 207, 222, 223,
    238, 239, 254, 255, 270, 271, 286, 287, 302, 303, 318, 319, 334, 335, 350, 351, 366, 367, 382, 383, 398, 399, 414,
    415, 430, 431, 446, 447, 462, 463, 478, 479, 494, 495, 510, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x16_neighbors[513 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   32,  32,  64,  64,  96,  96,  128, 128, 160, 160, 192, 192, 224, 224, 256, 256, 288, 288, 320,
    320, 352, 352, 384, 384, 416, 416, 448, 448, 0,   0,   1,   32,  33,  64,  65,  96,  97,  128, 129, 160, 161, 192,
    193, 224, 225, 256, 257, 288, 289, 320, 321, 352, 353, 384, 385, 416, 417, 448, 449, 480, 1,   1,   2,   33,  34,
    65,  66,  97,  98,  129, 130, 161, 162, 193, 194, 225, 226, 257, 258, 289, 290, 321, 322, 353, 354, 385, 386, 417,
    418, 449, 450, 481, 2,   2,   3,   34,  35,  66,  67,  98,  99,  130, 131, 162, 163, 194, 195, 226, 227, 258, 259,
    290, 291, 322, 323, 354, 355, 386, 387, 418, 419, 450, 451, 482, 3,   3,   4,   35,  36,  67,  68,  99,  100, 131,
    132, 163, 164, 195, 196, 227, 228, 259, 260, 291, 292, 323, 324, 355, 356, 387, 388, 419, 420, 451, 452, 483, 4,
    4,   5,   36,  37,  68,  69,  100, 101, 132, 133, 164, 165, 196, 197, 228, 229, 260, 261, 292, 293, 324, 325, 356,
    357, 388, 389, 420, 421, 452, 453, 484, 5,   5,   6,   37,  38,  69,  70,  101, 102, 133, 134, 165, 166, 197, 198,
    229, 230, 261, 262, 293, 294, 325, 326, 357, 358, 389, 390, 421, 422, 453, 454, 485, 6,   6,   7,   38,  39,  70,
    71,  102, 103, 134, 135, 166, 167, 198, 199, 230, 231, 262, 263, 294, 295, 326, 327, 358, 359, 390, 391, 422, 423,
    454, 455, 486, 7,   7,   8,   39,  40,  71,  72,  103, 104, 135, 136, 167, 168, 199, 200, 231, 232, 263, 264, 295,
    296, 327, 328, 359, 360, 391, 392, 423, 424, 455, 456, 487, 8,   8,   9,   40,  41,  72,  73,  104, 105, 136, 137,
    168, 169, 200, 201, 232, 233, 264, 265, 296, 297, 328, 329, 360, 361, 392, 393, 424, 425, 456, 457, 488, 9,   9,
    10,  41,  42,  73,  74,  105, 106, 137, 138, 169, 170, 201, 202, 233, 234, 265, 266, 297, 298, 329, 330, 361, 362,
    393, 394, 425, 426, 457, 458, 489, 10,  10,  11,  42,  43,  74,  75,  106, 107, 138, 139, 170, 171, 202, 203, 234,
    235, 266, 267, 298, 299, 330, 331, 362, 363, 394, 395, 426, 427, 458, 459, 490, 11,  11,  12,  43,  44,  75,  76,
    107, 108, 139, 140, 171, 172, 203, 204, 235, 236, 267, 268, 299, 300, 331, 332, 363, 364, 395, 396, 427, 428, 459,
    460, 491, 12,  12,  13,  44,  45,  76,  77,  108, 109, 140, 141, 172, 173, 204, 205, 236, 237, 268, 269, 300, 301,
    332, 333, 364, 365, 396, 397, 428, 429, 460, 461, 492, 13,  13,  14,  45,  46,  77,  78,  109, 110, 141, 142, 173,
    174, 205, 206, 237, 238, 269, 270, 301, 302, 333, 334, 365, 366, 397, 398, 429, 430, 461, 462, 493, 14,  14,  15,
    46,  47,  78,  79,  110, 111, 142, 143, 174, 175, 206, 207, 238, 239, 270, 271, 302, 303, 334, 335, 366, 367, 398,
    399, 430, 431, 462, 463, 494, 15,  15,  16,  47,  48,  79,  80,  111, 112, 143, 144, 175, 176, 207, 208, 239, 240,
    271, 272, 303, 304, 335, 336, 367, 368, 399, 400, 431, 432, 463, 464, 495, 16,  16,  17,  48,  49,  80,  81,  112,
    113, 144, 145, 176, 177, 208, 209, 240, 241, 272, 273, 304, 305, 336, 337, 368, 369, 400, 401, 432, 433, 464, 465,
    496, 17,  17,  18,  49,  50,  81,  82,  113, 114, 145, 146, 177, 178, 209, 210, 241, 242, 273, 274, 305, 306, 337,
    338, 369, 370, 401, 402, 433, 434, 465, 466, 497, 18,  18,  19,  50,  51,  82,  83,  114, 115, 146, 147, 178, 179,
    210, 211, 242, 243, 274, 275, 306, 307, 338, 339, 370, 371, 402, 403, 434, 435, 466, 467, 498, 19,  19,  20,  51,
    52,  83,  84,  115, 116, 147, 148, 179, 180, 211, 212, 243, 244, 275, 276, 307, 308, 339, 340, 371, 372, 403, 404,
    435, 436, 467, 468, 499, 20,  20,  21,  52,  53,  84,  85,  116, 117, 148, 149, 180, 181, 212, 213, 244, 245, 276,
    277, 308, 309, 340, 341, 372, 373, 404, 405, 436, 437, 468, 469, 500, 21,  21,  22,  53,  54,  85,  86,  117, 118,
    149, 150, 181, 182, 213, 214, 245, 246, 277, 278, 309, 310, 341, 342, 373, 374, 405, 406, 437, 438, 469, 470, 501,
    22,  22,  23,  54,  55,  86,  87,  118, 119, 150, 151, 182, 183, 214, 215, 246, 247, 278, 279, 310, 311, 342, 343,
    374, 375, 406, 407, 438, 439, 470, 471, 502, 23,  23,  24,  55,  56,  87,  88,  119, 120, 151, 152, 183, 184, 215,
    216, 247, 248, 279, 280, 311, 312, 343, 344, 375, 376, 407, 408, 439, 440, 471, 472, 503, 24,  24,  25,  56,  57,
    88,  89,  120, 121, 152, 153, 184, 185, 216, 217, 248, 249, 280, 281, 312, 313, 344, 345, 376, 377, 408, 409, 440,
    441, 472, 473, 504, 25,  25,  26,  57,  58,  89,  90,  121, 122, 153, 154, 185, 186, 217, 218, 249, 250, 281, 282,
    313, 314, 345, 346, 377, 378, 409, 410, 441, 442, 473, 474, 505, 26,  26,  27,  58,  59,  90,  91,  122, 123, 154,
    155, 186, 187, 218, 219, 250, 251, 282, 283, 314, 315, 346, 347, 378, 379, 410, 411, 442, 443, 474, 475, 506, 27,
    27,  28,  59,  60,  91,  92,  123, 124, 155, 156, 187, 188, 219, 220, 251, 252, 283, 284, 315, 316, 347, 348, 379,
    380, 411, 412, 443, 444, 475, 476, 507, 28,  28,  29,  60,  61,  92,  93,  124, 125, 156, 157, 188, 189, 220, 221,
    252, 253, 284, 285, 316, 317, 348, 349, 380, 381, 412, 413, 444, 445, 476, 477, 508, 29,  29,  30,  61,  62,  93,
    94,  125, 126, 157, 158, 189, 190, 221, 222, 253, 254, 285, 286, 317, 318, 349, 350, 381, 382, 413, 414, 445, 446,
    477, 478, 509, 30,  30,  31,  62,  63,  94,  95,  126, 127, 158, 159, 190, 191, 222, 223, 254, 255, 286, 287, 318,
    319, 350, 351, 382, 383, 414, 415, 446, 447, 478, 479, 510, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x32_neighbors[513 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6,   6,   7,   7,   8,   8,   9,   9,   10,
    10,  11,  11,  12,  12,  13,  13,  14,  14,  0,   0,   1,   16,  2,   17,  3,   18,  4,   19,  5,   20,  6,   21,
    7,   22,  8,   23,  9,   24,  10,  25,  11,  26,  12,  27,  13,  28,  14,  29,  15,  30,  16,  16,  17,  32,  18,
    33,  19,  34,  20,  35,  21,  36,  22,  37,  23,  38,  24,  39,  25,  40,  26,  41,  27,  42,  28,  43,  29,  44,
    30,  45,  31,  46,  32,  32,  33,  48,  34,  49,  35,  50,  36,  51,  37,  52,  38,  53,  39,  54,  40,  55,  41,
    56,  42,  57,  43,  58,  44,  59,  45,  60,  46,  61,  47,  62,  48,  48,  49,  64,  50,  65,  51,  66,  52,  67,
    53,  68,  54,  69,  55,  70,  56,  71,  57,  72,  58,  73,  59,  74,  60,  75,  61,  76,  62,  77,  63,  78,  64,
    64,  65,  80,  66,  81,  67,  82,  68,  83,  69,  84,  70,  85,  71,  86,  72,  87,  73,  88,  74,  89,  75,  90,
    76,  91,  77,  92,  78,  93,  79,  94,  80,  80,  81,  96,  82,  97,  83,  98,  84,  99,  85,  100, 86,  101, 87,
    102, 88,  103, 89,  104, 90,  105, 91,  106, 92,  107, 93,  108, 94,  109, 95,  110, 96,  96,  97,  112, 98,  113,
    99,  114, 100, 115, 101, 116, 102, 117, 103, 118, 104, 119, 105, 120, 106, 121, 107, 122, 108, 123, 109, 124, 110,
    125, 111, 126, 112, 112, 113, 128, 114, 129, 115, 130, 116, 131, 117, 132, 118, 133, 119, 134, 120, 135, 121, 136,
    122, 137, 123, 138, 124, 139, 125, 140, 126, 141, 127, 142, 128, 128, 129, 144, 130, 145, 131, 146, 132, 147, 133,
    148, 134, 149, 135, 150, 136, 151, 137, 152, 138, 153, 139, 154, 140, 155, 141, 156, 142, 157, 143, 158, 144, 144,
    145, 160, 146, 161, 147, 162, 148, 163, 149, 164, 150, 165, 151, 166, 152, 167, 153, 168, 154, 169, 155, 170, 156,
    171, 157, 172, 158, 173, 159, 174, 160, 160, 161, 176, 162, 177, 163, 178, 164, 179, 165, 180, 166, 181, 167, 182,
    168, 183, 169, 184, 170, 185, 171, 186, 172, 187, 173, 188, 174, 189, 175, 190, 176, 176, 177, 192, 178, 193, 179,
    194, 180, 195, 181, 196, 182, 197, 183, 198, 184, 199, 185, 200, 186, 201, 187, 202, 188, 203, 189, 204, 190, 205,
    191, 206, 192, 192, 193, 208, 194, 209, 195, 210, 196, 211, 197, 212, 198, 213, 199, 214, 200, 215, 201, 216, 202,
    217, 203, 218, 204, 219, 205, 220, 206, 221, 207, 222, 208, 208, 209, 224, 210, 225, 211, 226, 212, 227, 213, 228,
    214, 229, 215, 230, 216, 231, 217, 232, 218, 233, 219, 234, 220, 235, 221, 236, 222, 237, 223, 238, 224, 224, 225,
    240, 226, 241, 227, 242, 228, 243, 229, 244, 230, 245, 231, 246, 232, 247, 233, 248, 234, 249, 235, 250, 236, 251,
    237, 252, 238, 253, 239, 254, 240, 240, 241, 256, 242, 257, 243, 258, 244, 259, 245, 260, 246, 261, 247, 262, 248,
    263, 249, 264, 250, 265, 251, 266, 252, 267, 253, 268, 254, 269, 255, 270, 256, 256, 257, 272, 258, 273, 259, 274,
    260, 275, 261, 276, 262, 277, 263, 278, 264, 279, 265, 280, 266, 281, 267, 282, 268, 283, 269, 284, 270, 285, 271,
    286, 272, 272, 273, 288, 274, 289, 275, 290, 276, 291, 277, 292, 278, 293, 279, 294, 280, 295, 281, 296, 282, 297,
    283, 298, 284, 299, 285, 300, 286, 301, 287, 302, 288, 288, 289, 304, 290, 305, 291, 306, 292, 307, 293, 308, 294,
    309, 295, 310, 296, 311, 297, 312, 298, 313, 299, 314, 300, 315, 301, 316, 302, 317, 303, 318, 304, 304, 305, 320,
    306, 321, 307, 322, 308, 323, 309, 324, 310, 325, 311, 326, 312, 327, 313, 328, 314, 329, 315, 330, 316, 331, 317,
    332, 318, 333, 319, 334, 320, 320, 321, 336, 322, 337, 323, 338, 324, 339, 325, 340, 326, 341, 327, 342, 328, 343,
    329, 344, 330, 345, 331, 346, 332, 347, 333, 348, 334, 349, 335, 350, 336, 336, 337, 352, 338, 353, 339, 354, 340,
    355, 341, 356, 342, 357, 343, 358, 344, 359, 345, 360, 346, 361, 347, 362, 348, 363, 349, 364, 350, 365, 351, 366,
    352, 352, 353, 368, 354, 369, 355, 370, 356, 371, 357, 372, 358, 373, 359, 374, 360, 375, 361, 376, 362, 377, 363,
    378, 364, 379, 365, 380, 366, 381, 367, 382, 368, 368, 369, 384, 370, 385, 371, 386, 372, 387, 373, 388, 374, 389,
    375, 390, 376, 391, 377, 392, 378, 393, 379, 394, 380, 395, 381, 396, 382, 397, 383, 398, 384, 384, 385, 400, 386,
    401, 387, 402, 388, 403, 389, 404, 390, 405, 391, 406, 392, 407, 393, 408, 394, 409, 395, 410, 396, 411, 397, 412,
    398, 413, 399, 414, 400, 400, 401, 416, 402, 417, 403, 418, 404, 419, 405, 420, 406, 421, 407, 422, 408, 423, 409,
    424, 410, 425, 411, 426, 412, 427, 413, 428, 414, 429, 415, 430, 416, 416, 417, 432, 418, 433, 419, 434, 420, 435,
    421, 436, 422, 437, 423, 438, 424, 439, 425, 440, 426, 441, 427, 442, 428, 443, 429, 444, 430, 445, 431, 446, 432,
    432, 433, 448, 434, 449, 435, 450, 436, 451, 437, 452, 438, 453, 439, 454, 440, 455, 441, 456, 442, 457, 443, 458,
    444, 459, 445, 460, 446, 461, 447, 462, 448, 448, 449, 464, 450, 465, 451, 466, 452, 467, 453, 468, 454, 469, 455,
    470, 456, 471, 457, 472, 458, 473, 459, 474, 460, 475, 461, 476, 462, 477, 463, 478, 464, 464, 465, 480, 466, 481,
    467, 482, 468, 483, 469, 484, 470, 485, 471, 486, 472, 487, 473, 488, 474, 489, 475, 490, 476, 491, 477, 492, 478,
    493, 479, 494, 480, 480, 481, 496, 482, 497, 483, 498, 484, 499, 485, 500, 486, 501, 487, 502, 488, 503, 489, 504,
    490, 505, 491, 506, 492, 507, 493, 508, 494, 509, 495, 510, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x16_neighbors[513 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6,   6,   7,   7,   8,   8,   9,   9,   10,
    10,  11,  11,  12,  12,  13,  13,  14,  14,  15,  15,  16,  16,  17,  17,  18,  18,  19,  19,  20,  20,  21,  21,
    22,  22,  23,  23,  24,  24,  25,  25,  26,  26,  27,  27,  28,  28,  29,  29,  30,  30,  0,   0,   1,   32,  2,
    33,  3,   34,  4,   35,  5,   36,  6,   37,  7,   38,  8,   39,  9,   40,  10,  41,  11,  42,  12,  43,  13,  44,
    14,  45,  15,  46,  16,  47,  17,  48,  18,  49,  19,  50,  20,  51,  21,  52,  22,  53,  23,  54,  24,  55,  25,
    56,  26,  57,  27,  58,  28,  59,  29,  60,  30,  61,  31,  62,  32,  32,  33,  64,  34,  65,  35,  66,  36,  67,
    37,  68,  38,  69,  39,  70,  40,  71,  41,  72,  42,  73,  43,  74,  44,  75,  45,  76,  46,  77,  47,  78,  48,
    79,  49,  80,  50,  81,  51,  82,  52,  83,  53,  84,  54,  85,  55,  86,  56,  87,  57,  88,  58,  89,  59,  90,
    60,  91,  61,  92,  62,  93,  63,  94,  64,  64,  65,  96,  66,  97,  67,  98,  68,  99,  69,  100, 70,  101, 71,
    102, 72,  103, 73,  104, 74,  105, 75,  106, 76,  107, 77,  108, 78,  109, 79,  110, 80,  111, 81,  112, 82,  113,
    83,  114, 84,  115, 85,  116, 86,  117, 87,  118, 88,  119, 89,  120, 90,  121, 91,  122, 92,  123, 93,  124, 94,
    125, 95,  126, 96,  96,  97,  128, 98,  129, 99,  130, 100, 131, 101, 132, 102, 133, 103, 134, 104, 135, 105, 136,
    106, 137, 107, 138, 108, 139, 109, 140, 110, 141, 111, 142, 112, 143, 113, 144, 114, 145, 115, 146, 116, 147, 117,
    148, 118, 149, 119, 150, 120, 151, 121, 152, 122, 153, 123, 154, 124, 155, 125, 156, 126, 157, 127, 158, 128, 128,
    129, 160, 130, 161, 131, 162, 132, 163, 133, 164, 134, 165, 135, 166, 136, 167, 137, 168, 138, 169, 139, 170, 140,
    171, 141, 172, 142, 173, 143, 174, 144, 175, 145, 176, 146, 177, 147, 178, 148, 179, 149, 180, 150, 181, 151, 182,
    152, 183, 153, 184, 154, 185, 155, 186, 156, 187, 157, 188, 158, 189, 159, 190, 160, 160, 161, 192, 162, 193, 163,
    194, 164, 195, 165, 196, 166, 197, 167, 198, 168, 199, 169, 200, 170, 201, 171, 202, 172, 203, 173, 204, 174, 205,
    175, 206, 176, 207, 177, 208, 178, 209, 179, 210, 180, 211, 181, 212, 182, 213, 183, 214, 184, 215, 185, 216, 186,
    217, 187, 218, 188, 219, 189, 220, 190, 221, 191, 222, 192, 192, 193, 224, 194, 225, 195, 226, 196, 227, 197, 228,
    198, 229, 199, 230, 200, 231, 201, 232, 202, 233, 203, 234, 204, 235, 205, 236, 206, 237, 207, 238, 208, 239, 209,
    240, 210, 241, 211, 242, 212, 243, 213, 244, 214, 245, 215, 246, 216, 247, 217, 248, 218, 249, 219, 250, 220, 251,
    221, 252, 222, 253, 223, 254, 224, 224, 225, 256, 226, 257, 227, 258, 228, 259, 229, 260, 230, 261, 231, 262, 232,
    263, 233, 264, 234, 265, 235, 266, 236, 267, 237, 268, 238, 269, 239, 270, 240, 271, 241, 272, 242, 273, 243, 274,
    244, 275, 245, 276, 246, 277, 247, 278, 248, 279, 249, 280, 250, 281, 251, 282, 252, 283, 253, 284, 254, 285, 255,
    286, 256, 256, 257, 288, 258, 289, 259, 290, 260, 291, 261, 292, 262, 293, 263, 294, 264, 295, 265, 296, 266, 297,
    267, 298, 268, 299, 269, 300, 270, 301, 271, 302, 272, 303, 273, 304, 274, 305, 275, 306, 276, 307, 277, 308, 278,
    309, 279, 310, 280, 311, 281, 312, 282, 313, 283, 314, 284, 315, 285, 316, 286, 317, 287, 318, 288, 288, 289, 320,
    290, 321, 291, 322, 292, 323, 293, 324, 294, 325, 295, 326, 296, 327, 297, 328, 298, 329, 299, 330, 300, 331, 301,
    332, 302, 333, 303, 334, 304, 335, 305, 336, 306, 337, 307, 338, 308, 339, 309, 340, 310, 341, 311, 342, 312, 343,
    313, 344, 314, 345, 315, 346, 316, 347, 317, 348, 318, 349, 319, 350, 320, 320, 321, 352, 322, 353, 323, 354, 324,
    355, 325, 356, 326, 357, 327, 358, 328, 359, 329, 360, 330, 361, 331, 362, 332, 363, 333, 364, 334, 365, 335, 366,
    336, 367, 337, 368, 338, 369, 339, 370, 340, 371, 341, 372, 342, 373, 343, 374, 344, 375, 345, 376, 346, 377, 347,
    378, 348, 379, 349, 380, 350, 381, 351, 382, 352, 352, 353, 384, 354, 385, 355, 386, 356, 387, 357, 388, 358, 389,
    359, 390, 360, 391, 361, 392, 362, 393, 363, 394, 364, 395, 365, 396, 366, 397, 367, 398, 368, 399, 369, 400, 370,
    401, 371, 402, 372, 403, 373, 404, 374, 405, 375, 406, 376, 407, 377, 408, 378, 409, 379, 410, 380, 411, 381, 412,
    382, 413, 383, 414, 384, 384, 385, 416, 386, 417, 387, 418, 388, 419, 389, 420, 390, 421, 391, 422, 392, 423, 393,
    424, 394, 425, 395, 426, 396, 427, 397, 428, 398, 429, 399, 430, 400, 431, 401, 432, 402, 433, 403, 434, 404, 435,
    405, 436, 406, 437, 407, 438, 408, 439, 409, 440, 410, 441, 411, 442, 412, 443, 413, 444, 414, 445, 415, 446, 416,
    416, 417, 448, 418, 449, 419, 450, 420, 451, 421, 452, 422, 453, 423, 454, 424, 455, 425, 456, 426, 457, 427, 458,
    428, 459, 429, 460, 430, 461, 431, 462, 432, 463, 433, 464, 434, 465, 435, 466, 436, 467, 437, 468, 438, 469, 439,
    470, 440, 471, 441, 472, 442, 473, 443, 474, 444, 475, 445, 476, 446, 477, 447, 478, 448, 448, 449, 480, 450, 481,
    451, 482, 452, 483, 453, 484, 454, 485, 455, 486, 456, 487, 457, 488, 458, 489, 459, 490, 460, 491, 461, 492, 462,
    493, 463, 494, 464, 495, 465, 496, 466, 497, 467, 498, 468, 499, 469, 500, 470, 501, 471, 502, 472, 503, 473, 504,
    474, 505, 475, 506, 476, 507, 477, 508, 478, 509, 479, 510, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   16,  16,  32,  32,  48,  48,  64,  64,  80,  80,  96,  96,  112, 112, 128, 128, 144, 144, 160,
    160, 176, 176, 192, 192, 208, 208, 224, 224, 0,   0,   1,   16,  17,  32,  33,  48,  49,  64,  65,  80,  81,  96,
    97,  112, 113, 128, 129, 144, 145, 160, 161, 176, 177, 192, 193, 208, 209, 224, 225, 240, 1,   1,   2,   17,  18,
    33,  34,  49,  50,  65,  66,  81,  82,  97,  98,  113, 114, 129, 130, 145, 146, 161, 162, 177, 178, 193, 194, 209,
    210, 225, 226, 241, 2,   2,   3,   18,  19,  34,  35,  50,  51,  66,  67,  82,  83,  98,  99,  114, 115, 130, 131,
    146, 147, 162, 163, 178, 179, 194, 195, 210, 211, 226, 227, 242, 3,   3,   4,   19,  20,  35,  36,  51,  52,  67,
    68,  83,  84,  99,  100, 115, 116, 131, 132, 147, 148, 163, 164, 179, 180, 195, 196, 211, 212, 227, 228, 243, 4,
    4,   5,   20,  21,  36,  37,  52,  53,  68,  69,  84,  85,  100, 101, 116, 117, 132, 133, 148, 149, 164, 165, 180,
    181, 196, 197, 212, 213, 228, 229, 244, 5,   5,   6,   21,  22,  37,  38,  53,  54,  69,  70,  85,  86,  101, 102,
    117, 118, 133, 134, 149, 150, 165, 166, 181, 182, 197, 198, 213, 214, 229, 230, 245, 6,   6,   7,   22,  23,  38,
    39,  54,  55,  70,  71,  86,  87,  102, 103, 118, 119, 134, 135, 150, 151, 166, 167, 182, 183, 198, 199, 214, 215,
    230, 231, 246, 7,   7,   8,   23,  24,  39,  40,  55,  56,  71,  72,  87,  88,  103, 104, 119, 120, 135, 136, 151,
    152, 167, 168, 183, 184, 199, 200, 215, 216, 231, 232, 247, 8,   8,   9,   24,  25,  40,  41,  56,  57,  72,  73,
    88,  89,  104, 105, 120, 121, 136, 137, 152, 153, 168, 169, 184, 185, 200, 201, 216, 217, 232, 233, 248, 9,   9,
    10,  25,  26,  41,  42,  57,  58,  73,  74,  89,  90,  105, 106, 121, 122, 137, 138, 153, 154, 169, 170, 185, 186,
    201, 202, 217, 218, 233, 234, 249, 10,  10,  11,  26,  27,  42,  43,  58,  59,  74,  75,  90,  91,  106, 107, 122,
    123, 138, 139, 154, 155, 170, 171, 186, 187, 202, 203, 218, 219, 234, 235, 250, 11,  11,  12,  27,  28,  43,  44,
    59,  60,  75,  76,  91,  92,  107, 108, 123, 124, 139, 140, 155, 156, 171, 172, 187, 188, 203, 204, 219, 220, 235,
    236, 251, 12,  12,  13,  28,  29,  44,  45,  60,  61,  76,  77,  92,  93,  108, 109, 124, 125, 140, 141, 156, 157,
    172, 173, 188, 189, 204, 205, 220, 221, 236, 237, 252, 13,  13,  14,  29,  30,  45,  46,  61,  62,  77,  78,  93,
    94,  109, 110, 125, 126, 141, 142, 157, 158, 173, 174, 189, 190, 205, 206, 221, 222, 237, 238, 253, 14,  14,  15,
    30,  31,  46,  47,  62,  63,  78,  79,  94,  95,  110, 111, 126, 127, 142, 143, 158, 159, 174, 175, 190, 191, 206,
    207, 222, 223, 238, 239, 254, 0,   0,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6,   6,   7,   7,   8,   8,   9,   9,   10,
    10,  11,  11,  12,  12,  13,  13,  14,  14,  0,   0,   1,   16,  2,   17,  3,   18,  4,   19,  5,   20,  6,   21,
    7,   22,  8,   23,  9,   24,  10,  25,  11,  26,  12,  27,  13,  28,  14,  29,  15,  30,  16,  16,  17,  32,  18,
    33,  19,  34,  20,  35,  21,  36,  22,  37,  23,  38,  24,  39,  25,  40,  26,  41,  27,  42,  28,  43,  29,  44,
    30,  45,  31,  46,  32,  32,  33,  48,  34,  49,  35,  50,  36,  51,  37,  52,  38,  53,  39,  54,  40,  55,  41,
    56,  42,  57,  43,  58,  44,  59,  45,  60,  46,  61,  47,  62,  48,  48,  49,  64,  50,  65,  51,  66,  52,  67,
    53,  68,  54,  69,  55,  70,  56,  71,  57,  72,  58,  73,  59,  74,  60,  75,  61,  76,  62,  77,  63,  78,  64,
    64,  65,  80,  66,  81,  67,  82,  68,  83,  69,  84,  70,  85,  71,  86,  72,  87,  73,  88,  74,  89,  75,  90,
    76,  91,  77,  92,  78,  93,  79,  94,  80,  80,  81,  96,  82,  97,  83,  98,  84,  99,  85,  100, 86,  101, 87,
    102, 88,  103, 89,  104, 90,  105, 91,  106, 92,  107, 93,  108, 94,  109, 95,  110, 96,  96,  97,  112, 98,  113,
    99,  114, 100, 115, 101, 116, 102, 117, 103, 118, 104, 119, 105, 120, 106, 121, 107, 122, 108, 123, 109, 124, 110,
    125, 111, 126, 112, 112, 113, 128, 114, 129, 115, 130, 116, 131, 117, 132, 118, 133, 119, 134, 120, 135, 121, 136,
    122, 137, 123, 138, 124, 139, 125, 140, 126, 141, 127, 142, 128, 128, 129, 144, 130, 145, 131, 146, 132, 147, 133,
    148, 134, 149, 135, 150, 136, 151, 137, 152, 138, 153, 139, 154, 140, 155, 141, 156, 142, 157, 143, 158, 144, 144,
    145, 160, 146, 161, 147, 162, 148, 163, 149, 164, 150, 165, 151, 166, 152, 167, 153, 168, 154, 169, 155, 170, 156,
    171, 157, 172, 158, 173, 159, 174, 160, 160, 161, 176, 162, 177, 163, 178, 164, 179, 165, 180, 166, 181, 167, 182,
    168, 183, 169, 184, 170, 185, 171, 186, 172, 187, 173, 188, 174, 189, 175, 190, 176, 176, 177, 192, 178, 193, 179,
    194, 180, 195, 181, 196, 182, 197, 183, 198, 184, 199, 185, 200, 186, 201, 187, 202, 188, 203, 189, 204, 190, 205,
    191, 206, 192, 192, 193, 208, 194, 209, 195, 210, 196, 211, 197, 212, 198, 213, 199, 214, 200, 215, 201, 216, 202,
    217, 203, 218, 204, 219, 205, 220, 206, 221, 207, 222, 208, 208, 209, 224, 210, 225, 211, 226, 212, 227, 213, 228,
    214, 229, 215, 230, 216, 231, 217, 232, 218, 233, 219, 234, 220, 235, 221, 236, 222, 237, 223, 238, 224, 224, 225,
    240, 226, 241, 227, 242, 228, 243, 229, 244, 230, 245, 231, 246, 232, 247, 233, 248, 234, 249, 235, 250, 236, 251,
    237, 252, 238, 253, 239, 254, 0,   0,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,   0,   0,   16,  16,  1,   16,  1,   1,   2,   2,   2,   17,  17,  32,  32,  32,  48,  48,  33,
    48,  18,  33,  3,   18,  3,   3,   4,   4,   4,   19,  19,  34,  34,  49,  49,  64,  64,  64,  80,  80,  65,  80,
    50,  65,  35,  50,  20,  35,  5,   20,  5,   5,   6,   6,   6,   21,  21,  36,  36,  51,  51,  66,  66,  81,  81,
    96,  96,  96,  112, 112, 97,  112, 82,  97,  67,  82,  52,  67,  37,  52,  22,  37,  7,   22,  7,   7,   8,   8,
    8,   23,  23,  38,  38,  53,  53,  68,  68,  83,  83,  98,  98,  113, 113, 128, 128, 128, 144, 144, 129, 144, 114,
    129, 99,  114, 84,  99,  69,  84,  54,  69,  39,  54,  24,  39,  9,   24,  9,   9,   10,  10,  10,  25,  25,  40,
    40,  55,  55,  70,  70,  85,  85,  100, 100, 115, 115, 130, 130, 145, 145, 160, 160, 160, 176, 176, 161, 176, 146,
    161, 131, 146, 116, 131, 101, 116, 86,  101, 71,  86,  56,  71,  41,  56,  26,  41,  11,  26,  11,  11,  12,  12,
    12,  27,  27,  42,  42,  57,  57,  72,  72,  87,  87,  102, 102, 117, 117, 132, 132, 147, 147, 162, 162, 177, 177,
    192, 192, 192, 208, 208, 193, 208, 178, 193, 163, 178, 148, 163, 133, 148, 118, 133, 103, 118, 88,  103, 73,  88,
    58,  73,  43,  58,  28,  43,  13,  28,  13,  13,  14,  14,  14,  29,  29,  44,  44,  59,  59,  74,  74,  89,  89,
    104, 104, 119, 119, 134, 134, 149, 149, 164, 164, 179, 179, 194, 194, 209, 209, 224, 224, 224, 225, 240, 210, 225,
    195, 210, 180, 195, 165, 180, 150, 165, 135, 150, 120, 135, 105, 120, 90,  105, 75,  90,  60,  75,  45,  60,  30,
    45,  15,  30,  31,  46,  46,  61,  61,  76,  76,  91,  91,  106, 106, 121, 121, 136, 136, 151, 151, 166, 166, 181,
    181, 196, 196, 211, 211, 226, 226, 241, 227, 242, 212, 227, 197, 212, 182, 197, 167, 182, 152, 167, 137, 152, 122,
    137, 107, 122, 92,  107, 77,  92,  62,  77,  47,  62,  63,  78,  78,  93,  93,  108, 108, 123, 123, 138, 138, 153,
    153, 168, 168, 183, 183, 198, 198, 213, 213, 228, 228, 243, 229, 244, 214, 229, 199, 214, 184, 199, 169, 184, 154,
    169, 139, 154, 124, 139, 109, 124, 94,  109, 79,  94,  95,  110, 110, 125, 125, 140, 140, 155, 155, 170, 170, 185,
    185, 200, 200, 215, 215, 230, 230, 245, 231, 246, 216, 231, 201, 216, 186, 201, 171, 186, 156, 171, 141, 156, 126,
    141, 111, 126, 127, 142, 142, 157, 157, 172, 172, 187, 187, 202, 202, 217, 217, 232, 232, 247, 233, 248, 218, 233,
    203, 218, 188, 203, 173, 188, 158, 173, 143, 158, 159, 174, 174, 189, 189, 204, 204, 219, 219, 234, 234, 249, 235,
    250, 220, 235, 205, 220, 190, 205, 175, 190, 191, 206, 206, 221, 221, 236, 236, 251, 237, 252, 222, 237, 207, 222,
    223, 238, 238, 253, 239, 254, 0,   0};
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x32_neighbors[1025 * MAX_NEIGHBORS]) = {
    0,   0,   0,   0,    32,  32,  64,  64,   96,  96,  128, 128,  160, 160, 192, 192,  224, 224, 256, 256,
    288, 288, 320, 320,  352, 352, 384, 384,  416, 416, 448, 448,  480, 480, 512, 512,  544, 544, 576, 576,
    608, 608, 640, 640,  672, 672, 704, 704,  736, 736, 768, 768,  800, 800, 832, 832,  864, 864, 896, 896,
    928, 928, 960, 960,  0,   0,   1,   32,   33,  64,  65,  96,   97,  128, 129, 160,  161, 192, 193, 224,
    225, 256, 257, 288,  289, 320, 321, 352,  353, 384, 385, 416,  417, 448, 449, 480,  481, 512, 513, 544,
    545, 576, 577, 608,  609, 640, 641, 672,  673, 704, 705, 736,  737, 768, 769, 800,  801, 832, 833, 864,
    865, 896, 897, 928,  929, 960, 961, 992,  1,   1,   2,   33,   34,  65,  66,  97,   98,  129, 130, 161,
    162, 193, 194, 225,  226, 257, 258, 289,  290, 321, 322, 353,  354, 385, 386, 417,  418, 449, 450, 481,
    482, 513, 514, 545,  546, 577, 578, 609,  610, 641, 642, 673,  674, 705, 706, 737,  738, 769, 770, 801,
    802, 833, 834, 865,  866, 897, 898, 929,  930, 961, 962, 993,  2,   2,   3,   34,   35,  66,  67,  98,
    99,  130, 131, 162,  163, 194, 195, 226,  227, 258, 259, 290,  291, 322, 323, 354,  355, 386, 387, 418,
    419, 450, 451, 482,  483, 514, 515, 546,  547, 578, 579, 610,  611, 642, 643, 674,  675, 706, 707, 738,
    739, 770, 771, 802,  803, 834, 835, 866,  867, 898, 899, 930,  931, 962, 963, 994,  3,   3,   4,   35,
    36,  67,  68,  99,   100, 131, 132, 163,  164, 195, 196, 227,  228, 259, 260, 291,  292, 323, 324, 355,
    356, 387, 388, 419,  420, 451, 452, 483,  484, 515, 516, 547,  548, 579, 580, 611,  612, 643, 644, 675,
    676, 707, 708, 739,  740, 771, 772, 803,  804, 835, 836, 867,  868, 899, 900, 931,  932, 963, 964, 995,
    4,   4,   5,   36,   37,  68,  69,  100,  101, 132, 133, 164,  165, 196, 197, 228,  229, 260, 261, 292,
    293, 324, 325, 356,  357, 388, 389, 420,  421, 452, 453, 484,  485, 516, 517, 548,  549, 580, 581, 612,
    613, 644, 645, 676,  677, 708, 709, 740,  741, 772, 773, 804,  805, 836, 837, 868,  869, 900, 901, 932,
    933, 964, 965, 996,  5,   5,   6,   37,   38,  69,  70,  101,  102, 133, 134, 165,  166, 197, 198, 229,
    230, 261, 262, 293,  294, 325, 326, 357,  358, 389, 390, 421,  422, 453, 454, 485,  486, 517, 518, 549,
    550, 581, 582, 613,  614, 645, 646, 677,  678, 709, 710, 741,  742, 773, 774, 805,  806, 837, 838, 869,
    870, 901, 902, 933,  934, 965, 966, 997,  6,   6,   7,   38,   39,  70,  71,  102,  103, 134, 135, 166,
    167, 198, 199, 230,  231, 262, 263, 294,  295, 326, 327, 358,  359, 390, 391, 422,  423, 454, 455, 486,
    487, 518, 519, 550,  551, 582, 583, 614,  615, 646, 647, 678,  679, 710, 711, 742,  743, 774, 775, 806,
    807, 838, 839, 870,  871, 902, 903, 934,  935, 966, 967, 998,  7,   7,   8,   39,   40,  71,  72,  103,
    104, 135, 136, 167,  168, 199, 200, 231,  232, 263, 264, 295,  296, 327, 328, 359,  360, 391, 392, 423,
    424, 455, 456, 487,  488, 519, 520, 551,  552, 583, 584, 615,  616, 647, 648, 679,  680, 711, 712, 743,
    744, 775, 776, 807,  808, 839, 840, 871,  872, 903, 904, 935,  936, 967, 968, 999,  8,   8,   9,   40,
    41,  72,  73,  104,  105, 136, 137, 168,  169, 200, 201, 232,  233, 264, 265, 296,  297, 328, 329, 360,
    361, 392, 393, 424,  425, 456, 457, 488,  489, 520, 521, 552,  553, 584, 585, 616,  617, 648, 649, 680,
    681, 712, 713, 744,  745, 776, 777, 808,  809, 840, 841, 872,  873, 904, 905, 936,  937, 968, 969, 1000,
    9,   9,   10,  41,   42,  73,  74,  105,  106, 137, 138, 169,  170, 201, 202, 233,  234, 265, 266, 297,
    298, 329, 330, 361,  362, 393, 394, 425,  426, 457, 458, 489,  490, 521, 522, 553,  554, 585, 586, 617,
    618, 649, 650, 681,  682, 713, 714, 745,  746, 777, 778, 809,  810, 841, 842, 873,  874, 905, 906, 937,
    938, 969, 970, 1001, 10,  10,  11,  42,   43,  74,  75,  106,  107, 138, 139, 170,  171, 202, 203, 234,
    235, 266, 267, 298,  299, 330, 331, 362,  363, 394, 395, 426,  427, 458, 459, 490,  491, 522, 523, 554,
    555, 586, 587, 618,  619, 650, 651, 682,  683, 714, 715, 746,  747, 778, 779, 810,  811, 842, 843, 874,
    875, 906, 907, 938,  939, 970, 971, 1002, 11,  11,  12,  43,   44,  75,  76,  107,  108, 139, 140, 171,
    172, 203, 204, 235,  236, 267, 268, 299,  300, 331, 332, 363,  364, 395, 396, 427,  428, 459, 460, 491,
    492, 523, 524, 555,  556, 587, 588, 619,  620, 651, 652, 683,  684, 715, 716, 747,  748, 779, 780, 811,
    812, 843, 844, 875,  876, 907, 908, 939,  940, 971, 972, 1003, 12,  12,  13,  44,   45,  76,  77,  108,
    109, 140, 141, 172,  173, 204, 205, 236,  237, 268, 269, 300,  301, 332, 333, 364,  365, 396, 397, 428,
    429, 460, 461, 492,  493, 524, 525, 556,  557, 588, 589, 620,  621, 652, 653, 684,  685, 716, 717, 748,
    749, 780, 781, 812,  813, 844, 845, 876,  877, 908, 909, 940,  941, 972, 973, 1004, 13,  13,  14,  45,
    46,  77,  78,  109,  110, 141, 142, 173,  174, 205, 206, 237,  238, 269, 270, 301,  302, 333, 334, 365,
    366, 397, 398, 429,  430, 461, 462, 493,  494, 525, 526, 557,  558, 589, 590, 621,  622, 653, 654, 685,
    686, 717, 718, 749,  750, 781, 782, 813,  814, 845, 846, 877,  878, 909, 910, 941,  942, 973, 974, 1005,
    14,  14,  15,  46,   47,  78,  79,  110,  111, 142, 143, 174,  175, 206, 207, 238,  239, 270, 271, 302,
    303, 334, 335, 366,  367, 398, 399, 430,  431, 462, 463, 494,  495, 526, 527, 558,  559, 590, 591, 622,
    623, 654, 655, 686,  687, 718, 719, 750,  751, 782, 783, 814,  815, 846, 847, 878,  879, 910, 911, 942,
    943, 974, 975, 1006, 15,  15,  16,  47,   48,  79,  80,  111,  112, 143, 144, 175,  176, 207, 208, 239,
    240, 271, 272, 303,  304, 335, 336, 367,  368, 399, 400, 431,  432, 463, 464, 495,  496, 527, 528, 559,
    560, 591, 592, 623,  624, 655, 656, 687,  688, 719, 720, 751,  752, 783, 784, 815,  816, 847, 848, 879,
    880, 911, 912, 943,  944, 975, 976, 1007, 16,  16,  17,  48,   49,  80,  81,  112,  113, 144, 145, 176,
    177, 208, 209, 240,  241, 272, 273, 304,  305, 336, 337, 368,  369, 400, 401, 432,  433, 464, 465, 496,
    497, 528, 529, 560,  561, 592, 593, 624,  625, 656, 657, 688,  689, 720, 721, 752,  753, 784, 785, 816,
    817, 848, 849, 880,  881, 912, 913, 944,  945, 976, 977, 1008, 17,  17,  18,  49,   50,  81,  82,  113,
    114, 145, 146, 177,  178, 209, 210, 241,  242, 273, 274, 305,  306, 337, 338, 369,  370, 401, 402, 433,
    434, 465, 466, 497,  498, 529, 530, 561,  562, 593, 594, 625,  626, 657, 658, 689,  690, 721, 722, 753,
    754, 785, 786, 817,  818, 849, 850, 881,  882, 913, 914, 945,  946, 977, 978, 1009, 18,  18,  19,  50,
    51,  82,  83,  114,  115, 146, 147, 178,  179, 210, 211, 242,  243, 274, 275, 306,  307, 338, 339, 370,
    371, 402, 403, 434,  435, 466, 467, 498,  499, 530, 531, 562,  563, 594, 595, 626,  627, 658, 659, 690,
    691, 722, 723, 754,  755, 786, 787, 818,  819, 850, 851, 882,  883, 914, 915, 946,  947, 978, 979, 1010,
    19,  19,  20,  51,   52,  83,  84,  115,  116, 147, 148, 179,  180, 211, 212, 243,  244, 275, 276, 307,
    308, 339, 340, 371,  372, 403, 404, 435,  436, 467, 468, 499,  500, 531, 532, 563,  564, 595, 596, 627,
    628, 659, 660, 691,  692, 723, 724, 755,  756, 787, 788, 819,  820, 851, 852, 883,  884, 915, 916, 947,
    948, 979, 980, 1011, 20,  20,  21,  52,   53,  84,  85,  116,  117, 148, 149, 180,  181, 212, 213, 244,
    245, 276, 277, 308,  309, 340, 341, 372,  373, 404, 405, 436,  437, 468, 469, 500,  501, 532, 533, 564,
    565, 596, 597, 628,  629, 660, 661, 692,  693, 724, 725, 756,  757, 788, 789, 820,  821, 852, 853, 884,
    885, 916, 917, 948,  949, 980, 981, 1012, 21,  21,  22,  53,   54,  85,  86,  117,  118, 149, 150, 181,
    182, 213, 214, 245,  246, 277, 278, 309,  310, 341, 342, 373,  374, 405, 406, 437,  438, 469, 470, 501,
    502, 533, 534, 565,  566, 597, 598, 629,  630, 661, 662, 693,  694, 725, 726, 757,  758, 789, 790, 821,
    822, 853, 854, 885,  886, 917, 918, 949,  950, 981, 982, 1013, 22,  22,  23,  54,   55,  86,  87,  118,
    119, 150, 151, 182,  183, 214, 215, 246,  247, 278, 279, 310,  311, 342, 343, 374,  375, 406, 407, 438,
    439, 470, 471, 502,  503, 534, 535, 566,  567, 598, 599, 630,  631, 662, 663, 694,  695, 726, 727, 758,
    759, 790, 791, 822,  823, 854, 855, 886,  887, 918, 919, 950,  951, 982, 983, 1014, 23,  23,  24,  55,
    56,  87,  88,  119,  120, 151, 152, 183,  184, 215, 216, 247,  248, 279, 280, 311,  312, 343, 344, 375,
    376, 407, 408, 439,  440, 471, 472, 503,  504, 535, 536, 567,  568, 599, 600, 631,  632, 663, 664, 695,
    696, 727, 728, 759,  760, 791, 792, 823,  824, 855, 856, 887,  888, 919, 920, 951,  952, 983, 984, 1015,
    24,  24,  25,  56,   57,  88,  89,  120,  121, 152, 153, 184,  185, 216, 217, 248,  249, 280, 281, 312,
    313, 344, 345, 376,  377, 408, 409, 440,  441, 472, 473, 504,  505, 536, 537, 568,  569, 600, 601, 632,
    633, 664, 665, 696,  697, 728, 729, 760,  761, 792, 793, 824,  825, 856, 857, 888,  889, 920, 921, 952,
    953, 984, 985, 1016, 25,  25,  26,  57,   58,  89,  90,  121,  122, 153, 154, 185,  186, 217, 218, 249,
    250, 281, 282, 313,  314, 345, 346, 377,  378, 409, 410, 441,  442, 473, 474, 505,  506, 537, 538, 569,
    570, 601, 602, 633,  634, 665, 666, 697,  698, 729, 730, 761,  762, 793, 794, 825,  826, 857, 858, 889,
    890, 921, 922, 953,  954, 985, 986, 1017, 26,  26,  27,  58,   59,  90,  91,  122,  123, 154, 155, 186,
    187, 218, 219, 250,  251, 282, 283, 314,  315, 346, 347, 378,  379, 410, 411, 442,  443, 474, 475, 506,
    507, 538, 539, 570,  571, 602, 603, 634,  635, 666, 667, 698,  699, 730, 731, 762,  763, 794, 795, 826,
    827, 858, 859, 890,  891, 922, 923, 954,  955, 986, 987, 1018, 27,  27,  28,  59,   60,  91,  92,  123,
    124, 155, 156, 187,  188, 219, 220, 251,  252, 283, 284, 315,  316, 347, 348, 379,  380, 411, 412, 443,
    444, 475, 476, 507,  508, 539, 540, 571,  572, 603, 604, 635,  636, 667, 668, 699,  700, 731, 732, 763,
    764, 795, 796, 827,  828, 859, 860, 891,  892, 923, 924, 955,  956, 987, 988, 1019, 28,  28,  29,  60,
    61,  92,  93,  124,  125, 156, 157, 188,  189, 220, 221, 252,  253, 284, 285, 316,  317, 348, 349, 380,
    381, 412, 413, 444,  445, 476, 477, 508,  509, 540, 541, 572,  573, 604, 605, 636,  637, 668, 669, 700,
    701, 732, 733, 764,  765, 796, 797, 828,  829, 860, 861, 892,  893, 924, 925, 956,  957, 988, 989, 1020,
    29,  29,  30,  61,   62,  93,  94,  125,  126, 157, 158, 189,  190, 221, 222, 253,  254, 285, 286, 317,
    318, 349, 350, 381,  382, 413, 414, 445,  446, 477, 478, 509,  510, 541, 542, 573,  574, 605, 606, 637,
    638, 669, 670, 701,  702, 733, 734, 765,  766, 797, 798, 829,  830, 861, 862, 893,  894, 925, 926, 957,
    958, 989, 990, 1021, 30,  30,  31,  62,   63,  94,  95,  126,  127, 158, 159, 190,  191, 222, 223, 254,
    255, 286, 287, 318,  319, 350, 351, 382,  383, 414, 415, 446,  447, 478, 479, 510,  511, 542, 543, 574,
    575, 606, 607, 638,  639, 670, 671, 702,  703, 734, 735, 766,  767, 798, 799, 830,  831, 862, 863, 894,
    895, 926, 927, 958,  959, 990, 991, 1022, 0,   0,
};
DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x32_neighbors[1025 * MAX_NEIGHBORS]) = {
    0,   0,    0,   0,    1,   1,    2,   2,    3,   3,    4,   4,    5,   5,    6,   6,    7,   7,    8,   8,
    9,   9,    10,  10,   11,  11,   12,  12,   13,  13,   14,  14,   15,  15,   16,  16,   17,  17,   18,  18,
    19,  19,   20,  20,   21,  21,   22,  22,   23,  23,   24,  24,   25,  25,   26,  26,   27,  27,   28,  28,
    29,  29,   30,  30,   0,   0,    1,   32,   2,   33,   3,   34,   4,   35,   5,   36,   6,   37,   7,   38,
    8,   39,   9,   40,   10,  41,   11,  42,   12,  43,   13,  44,   14,  45,   15,  46,   16,  47,   17,  48,
    18,  49,   19,  50,   20,  51,   21,  52,   22,  53,   23,  54,   24,  55,   25,  56,   26,  57,   27,  58,
    28,  59,   29,  60,   30,  61,   31,  62,   32,  32,   33,  64,   34,  65,   35,  66,   36,  67,   37,  68,
    38,  69,   39,  70,   40,  71,   41,  72,   42,  73,   43,  74,   44,  75,   45,  76,   46,  77,   47,  78,
    48,  79,   49,  80,   50,  81,   51,  82,   52,  83,   53,  84,   54,  85,   55,  86,   56,  87,   57,  88,
    58,  89,   59,  90,   60,  91,   61,  92,   62,  93,   63,  94,   64,  64,   65,  96,   66,  97,   67,  98,
    68,  99,   69,  100,  70,  101,  71,  102,  72,  103,  73,  104,  74,  105,  75,  106,  76,  107,  77,  108,
    78,  109,  79,  110,  80,  111,  81,  112,  82,  113,  83,  114,  84,  115,  85,  116,  86,  117,  87,  118,
    88,  119,  89,  120,  90,  121,  91,  122,  92,  123,  93,  124,  94,  125,  95,  126,  96,  96,   97,  128,
    98,  129,  99,  130,  100, 131,  101, 132,  102, 133,  103, 134,  104, 135,  105, 136,  106, 137,  107, 138,
    108, 139,  109, 140,  110, 141,  111, 142,  112, 143,  113, 144,  114, 145,  115, 146,  116, 147,  117, 148,
    118, 149,  119, 150,  120, 151,  121, 152,  122, 153,  123, 154,  124, 155,  125, 156,  126, 157,  127, 158,
    128, 128,  129, 160,  130, 161,  131, 162,  132, 163,  133, 164,  134, 165,  135, 166,  136, 167,  137, 168,
    138, 169,  139, 170,  140, 171,  141, 172,  142, 173,  143, 174,  144, 175,  145, 176,  146, 177,  147, 178,
    148, 179,  149, 180,  150, 181,  151, 182,  152, 183,  153, 184,  154, 185,  155, 186,  156, 187,  157, 188,
    158, 189,  159, 190,  160, 160,  161, 192,  162, 193,  163, 194,  164, 195,  165, 196,  166, 197,  167, 198,
    168, 199,  169, 200,  170, 201,  171, 202,  172, 203,  173, 204,  174, 205,  175, 206,  176, 207,  177, 208,
    178, 209,  179, 210,  180, 211,  181, 212,  182, 213,  183, 214,  184, 215,  185, 216,  186, 217,  187, 218,
    188, 219,  189, 220,  190, 221,  191, 222,  192, 192,  193, 224,  194, 225,  195, 226,  196, 227,  197, 228,
    198, 229,  199, 230,  200, 231,  201, 232,  202, 233,  203, 234,  204, 235,  205, 236,  206, 237,  207, 238,
    208, 239,  209, 240,  210, 241,  211, 242,  212, 243,  213, 244,  214, 245,  215, 246,  216, 247,  217, 248,
    218, 249,  219, 250,  220, 251,  221, 252,  222, 253,  223, 254,  224, 224,  225, 256,  226, 257,  227, 258,
    228, 259,  229, 260,  230, 261,  231, 262,  232, 263,  233, 264,  234, 265,  235, 266,  236, 267,  237, 268,
    238, 269,  239, 270,  240, 271,  241, 272,  242, 273,  243, 274,  244, 275,  245, 276,  246, 277,  247, 278,
    248, 279,  249, 280,  250, 281,  251, 282,  252, 283,  253, 284,  254, 285,  255, 286,  256, 256,  257, 288,
    258, 289,  259, 290,  260, 291,  261, 292,  262, 293,  263, 294,  264, 295,  265, 296,  266, 297,  267, 298,
    268, 299,  269, 300,  270, 301,  271, 302,  272, 303,  273, 304,  274, 305,  275, 306,  276, 307,  277, 308,
    278, 309,  279, 310,  280, 311,  281, 312,  282, 313,  283, 314,  284, 315,  285, 316,  286, 317,  287, 318,
    288, 288,  289, 320,  290, 321,  291, 322,  292, 323,  293, 324,  294, 325,  295, 326,  296, 327,  297, 328,
    298, 329,  299, 330,  300, 331,  301, 332,  302, 333,  303, 334,  304, 335,  305, 336,  306, 337,  307, 338,
    308, 339,  309, 340,  310, 341,  311, 342,  312, 343,  313, 344,  314, 345,  315, 346,  316, 347,  317, 348,
    318, 349,  319, 350,  320, 320,  321, 352,  322, 353,  323, 354,  324, 355,  325, 356,  326, 357,  327, 358,
    328, 359,  329, 360,  330, 361,  331, 362,  332, 363,  333, 364,  334, 365,  335, 366,  336, 367,  337, 368,
    338, 369,  339, 370,  340, 371,  341, 372,  342, 373,  343, 374,  344, 375,  345, 376,  346, 377,  347, 378,
    348, 379,  349, 380,  350, 381,  351, 382,  352, 352,  353, 384,  354, 385,  355, 386,  356, 387,  357, 388,
    358, 389,  359, 390,  360, 391,  361, 392,  362, 393,  363, 394,  364, 395,  365, 396,  366, 397,  367, 398,
    368, 399,  369, 400,  370, 401,  371, 402,  372, 403,  373, 404,  374, 405,  375, 406,  376, 407,  377, 408,
    378, 409,  379, 410,  380, 411,  381, 412,  382, 413,  383, 414,  384, 384,  385, 416,  386, 417,  387, 418,
    388, 419,  389, 420,  390, 421,  391, 422,  392, 423,  393, 424,  394, 425,  395, 426,  396, 427,  397, 428,
    398, 429,  399, 430,  400, 431,  401, 432,  402, 433,  403, 434,  404, 435,  405, 436,  406, 437,  407, 438,
    408, 439,  409, 440,  410, 441,  411, 442,  412, 443,  413, 444,  414, 445,  415, 446,  416, 416,  417, 448,
    418, 449,  419, 450,  420, 451,  421, 452,  422, 453,  423, 454,  424, 455,  425, 456,  426, 457,  427, 458,
    428, 459,  429, 460,  430, 461,  431, 462,  432, 463,  433, 464,  434, 465,  435, 466,  436, 467,  437, 468,
    438, 469,  439, 470,  440, 471,  441, 472,  442, 473,  443, 474,  444, 475,  445, 476,  446, 477,  447, 478,
    448, 448,  449, 480,  450, 481,  451, 482,  452, 483,  453, 484,  454, 485,  455, 486,  456, 487,  457, 488,
    458, 489,  459, 490,  460, 491,  461, 492,  462, 493,  463, 494,  464, 495,  465, 496,  466, 497,  467, 498,
    468, 499,  469, 500,  470, 501,  471, 502,  472, 503,  473, 504,  474, 505,  475, 506,  476, 507,  477, 508,
    478, 509,  479, 510,  480, 480,  481, 512,  482, 513,  483, 514,  484, 515,  485, 516,  486, 517,  487, 518,
    488, 519,  489, 520,  490, 521,  491, 522,  492, 523,  493, 524,  494, 525,  495, 526,  496, 527,  497, 528,
    498, 529,  499, 530,  500, 531,  501, 532,  502, 533,  503, 534,  504, 535,  505, 536,  506, 537,  507, 538,
    508, 539,  509, 540,  510, 541,  511, 542,  512, 512,  513, 544,  514, 545,  515, 546,  516, 547,  517, 548,
    518, 549,  519, 550,  520, 551,  521, 552,  522, 553,  523, 554,  524, 555,  525, 556,  526, 557,  527, 558,
    528, 559,  529, 560,  530, 561,  531, 562,  532, 563,  533, 564,  534, 565,  535, 566,  536, 567,  537, 568,
    538, 569,  539, 570,  540, 571,  541, 572,  542, 573,  543, 574,  544, 544,  545, 576,  546, 577,  547, 578,
    548, 579,  549, 580,  550, 581,  551, 582,  552, 583,  553, 584,  554, 585,  555, 586,  556, 587,  557, 588,
    558, 589,  559, 590,  560, 591,  561, 592,  562, 593,  563, 594,  564, 595,  565, 596,  566, 597,  567, 598,
    568, 599,  569, 600,  570, 601,  571, 602,  572, 603,  573, 604,  574, 605,  575, 606,  576, 576,  577, 608,
    578, 609,  579, 610,  580, 611,  581, 612,  582, 613,  583, 614,  584, 615,  585, 616,  586, 617,  587, 618,
    588, 619,  589, 620,  590, 621,  591, 622,  592, 623,  593, 624,  594, 625,  595, 626,  596, 627,  597, 628,
    598, 629,  599, 630,  600, 631,  601, 632,  602, 633,  603, 634,  604, 635,  605, 636,  606, 637,  607, 638,
    608, 608,  609, 640,  610, 641,  611, 642,  612, 643,  613, 644,  614, 645,  615, 646,  616, 647,  617, 648,
    618, 649,  619, 650,  620, 651,  621, 652,  622, 653,  623, 654,  624, 655,  625, 656,  626, 657,  627, 658,
    628, 659,  629, 660,  630, 661,  631, 662,  632, 663,  633, 664,  634, 665,  635, 666,  636, 667,  637, 668,
    638, 669,  639, 670,  640, 640,  641, 672,  642, 673,  643, 674,  644, 675,  645, 676,  646, 677,  647, 678,
    648, 679,  649, 680,  650, 681,  651, 682,  652, 683,  653, 684,  654, 685,  655, 686,  656, 687,  657, 688,
    658, 689,  659, 690,  660, 691,  661, 692,  662, 693,  663, 694,  664, 695,  665, 696,  666, 697,  667, 698,
    668, 699,  669, 700,  670, 701,  671, 702,  672, 672,  673, 704,  674, 705,  675, 706,  676, 707,  677, 708,
    678, 709,  679, 710,  680, 711,  681, 712,  682, 713,  683, 714,  684, 715,  685, 716,  686, 717,  687, 718,
    688, 719,  689, 720,  690, 721,  691, 722,  692, 723,  693, 724,  694, 725,  695, 726,  696, 727,  697, 728,
    698, 729,  699, 730,  700, 731,  701, 732,  702, 733,  703, 734,  704, 704,  705, 736,  706, 737,  707, 738,
    708, 739,  709, 740,  710, 741,  711, 742,  712, 743,  713, 744,  714, 745,  715, 746,  716, 747,  717, 748,
    718, 749,  719, 750,  720, 751,  721, 752,  722, 753,  723, 754,  724, 755,  725, 756,  726, 757,  727, 758,
    728, 759,  729, 760,  730, 761,  731, 762,  732, 763,  733, 764,  734, 765,  735, 766,  736, 736,  737, 768,
    738, 769,  739, 770,  740, 771,  741, 772,  742, 773,  743, 774,  744, 775,  745, 776,  746, 777,  747, 778,
    748, 779,  749, 780,  750, 781,  751, 782,  752, 783,  753, 784,  754, 785,  755, 786,  756, 787,  757, 788,
    758, 789,  759, 790,  760, 791,  761, 792,  762, 793,  763, 794,  764, 795,  765, 796,  766, 797,  767, 798,
    768, 768,  769, 800,  770, 801,  771, 802,  772, 803,  773, 804,  774, 805,  775, 806,  776, 807,  777, 808,
    778, 809,  779, 810,  780, 811,  781, 812,  782, 813,  783, 814,  784, 815,  785, 816,  786, 817,  787, 818,
    788, 819,  789, 820,  790, 821,  791, 822,  792, 823,  793, 824,  794, 825,  795, 826,  796, 827,  797, 828,
    798, 829,  799, 830,  800, 800,  801, 832,  802, 833,  803, 834,  804, 835,  805, 836,  806, 837,  807, 838,
    808, 839,  809, 840,  810, 841,  811, 842,  812, 843,  813, 844,  814, 845,  815, 846,  816, 847,  817, 848,
    818, 849,  819, 850,  820, 851,  821, 852,  822, 853,  823, 854,  824, 855,  825, 856,  826, 857,  827, 858,
    828, 859,  829, 860,  830, 861,  831, 862,  832, 832,  833, 864,  834, 865,  835, 866,  836, 867,  837, 868,
    838, 869,  839, 870,  840, 871,  841, 872,  842, 873,  843, 874,  844, 875,  845, 876,  846, 877,  847, 878,
    848, 879,  849, 880,  850, 881,  851, 882,  852, 883,  853, 884,  854, 885,  855, 886,  856, 887,  857, 888,
    858, 889,  859, 890,  860, 891,  861, 892,  862, 893,  863, 894,  864, 864,  865, 896,  866, 897,  867, 898,
    868, 899,  869, 900,  870, 901,  871, 902,  872, 903,  873, 904,  874, 905,  875, 906,  876, 907,  877, 908,
    878, 909,  879, 910,  880, 911,  881, 912,  882, 913,  883, 914,  884, 915,  885, 916,  886, 917,  887, 918,
    888, 919,  889, 920,  890, 921,  891, 922,  892, 923,  893, 924,  894, 925,  895, 926,  896, 896,  897, 928,
    898, 929,  899, 930,  900, 931,  901, 932,  902, 933,  903, 934,  904, 935,  905, 936,  906, 937,  907, 938,
    908, 939,  909, 940,  910, 941,  911, 942,  912, 943,  913, 944,  914, 945,  915, 946,  916, 947,  917, 948,
    918, 949,  919, 950,  920, 951,  921, 952,  922, 953,  923, 954,  924, 955,  925, 956,  926, 957,  927, 958,
    928, 928,  929, 960,  930, 961,  931, 962,  932, 963,  933, 964,  934, 965,  935, 966,  936, 967,  937, 968,
    938, 969,  939, 970,  940, 971,  941, 972,  942, 973,  943, 974,  944, 975,  945, 976,  946, 977,  947, 978,
    948, 979,  949, 980,  950, 981,  951, 982,  952, 983,  953, 984,  954, 985,  955, 986,  956, 987,  957, 988,
    958, 989,  959, 990,  960, 960,  961, 992,  962, 993,  963, 994,  964, 995,  965, 996,  966, 997,  967, 998,
    968, 999,  969, 1000, 970, 1001, 971, 1002, 972, 1003, 973, 1004, 974, 1005, 975, 1006, 976, 1007, 977, 1008,
    978, 1009, 979, 1010, 980, 1011, 981, 1012, 982, 1013, 983, 1014, 984, 1015, 985, 1016, 986, 1017, 987, 1018,
    988, 1019, 989, 1020, 990, 1021, 991, 1022, 0,   0,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_32x32_neighbors[1025 * MAX_NEIGHBORS]) = {
    0,    0,    0,   0,    0,    0,   32,   32,  1,    32,  1,    1,   2,    2,   2,   33,  33,  64,   64,  64,   96,
    96,   65,   96,  34,   65,   3,   34,   3,   3,    4,   4,    4,   35,   35,  66,  66,  97,  97,   128, 128,  128,
    160,  160,  129, 160,  98,   129, 67,   98,  36,   67,  5,    36,  5,    5,   6,   6,   6,   37,   37,  68,   68,
    99,   99,   130, 130,  161,  161, 192,  192, 192,  224, 224,  193, 224,  162, 193, 131, 162, 100,  131, 69,   100,
    38,   69,   7,   38,   7,    7,   8,    8,   8,    39,  39,   70,  70,   101, 101, 132, 132, 163,  163, 194,  194,
    225,  225,  256, 256,  256,  288, 288,  257, 288,  226, 257,  195, 226,  164, 195, 133, 164, 102,  133, 71,   102,
    40,   71,   9,   40,   9,    9,   10,   10,  10,   41,  41,   72,  72,   103, 103, 134, 134, 165,  165, 196,  196,
    227,  227,  258, 258,  289,  289, 320,  320, 320,  352, 352,  321, 352,  290, 321, 259, 290, 228,  259, 197,  228,
    166,  197,  135, 166,  104,  135, 73,   104, 42,   73,  11,   42,  11,   11,  12,  12,  12,  43,   43,  74,   74,
    105,  105,  136, 136,  167,  167, 198,  198, 229,  229, 260,  260, 291,  291, 322, 322, 353, 353,  384, 384,  384,
    416,  416,  385, 416,  354,  385, 323,  354, 292,  323, 261,  292, 230,  261, 199, 230, 168, 199,  137, 168,  106,
    137,  75,   106, 44,   75,   13,  44,   13,  13,   14,  14,   14,  45,   45,  76,  76,  107, 107,  138, 138,  169,
    169,  200,  200, 231,  231,  262, 262,  293, 293,  324, 324,  355, 355,  386, 386, 417, 417, 448,  448, 448,  480,
    480,  449,  480, 418,  449,  387, 418,  356, 387,  325, 356,  294, 325,  263, 294, 232, 263, 201,  232, 170,  201,
    139,  170,  108, 139,  77,   108, 46,   77,  15,   46,  15,   15,  16,   16,  16,  47,  47,  78,   78,  109,  109,
    140,  140,  171, 171,  202,  202, 233,  233, 264,  264, 295,  295, 326,  326, 357, 357, 388, 388,  419, 419,  450,
    450,  481,  481, 512,  512,  512, 544,  544, 513,  544, 482,  513, 451,  482, 420, 451, 389, 420,  358, 389,  327,
    358,  296,  327, 265,  296,  234, 265,  203, 234,  172, 203,  141, 172,  110, 141, 79,  110, 48,   79,  17,   48,
    17,   17,   18,  18,   18,   49,  49,   80,  80,   111, 111,  142, 142,  173, 173, 204, 204, 235,  235, 266,  266,
    297,  297,  328, 328,  359,  359, 390,  390, 421,  421, 452,  452, 483,  483, 514, 514, 545, 545,  576, 576,  576,
    608,  608,  577, 608,  546,  577, 515,  546, 484,  515, 453,  484, 422,  453, 391, 422, 360, 391,  329, 360,  298,
    329,  267,  298, 236,  267,  205, 236,  174, 205,  143, 174,  112, 143,  81,  112, 50,  81,  19,   50,  19,   19,
    20,   20,   20,  51,   51,   82,  82,   113, 113,  144, 144,  175, 175,  206, 206, 237, 237, 268,  268, 299,  299,
    330,  330,  361, 361,  392,  392, 423,  423, 454,  454, 485,  485, 516,  516, 547, 547, 578, 578,  609, 609,  640,
    640,  640,  672, 672,  641,  672, 610,  641, 579,  610, 548,  579, 517,  548, 486, 517, 455, 486,  424, 455,  393,
    424,  362,  393, 331,  362,  300, 331,  269, 300,  238, 269,  207, 238,  176, 207, 145, 176, 114,  145, 83,   114,
    52,   83,   21,  52,   21,   21,  22,   22,  22,   53,  53,   84,  84,   115, 115, 146, 146, 177,  177, 208,  208,
    239,  239,  270, 270,  301,  301, 332,  332, 363,  363, 394,  394, 425,  425, 456, 456, 487, 487,  518, 518,  549,
    549,  580,  580, 611,  611,  642, 642,  673, 673,  704, 704,  704, 736,  736, 705, 736, 674, 705,  643, 674,  612,
    643,  581,  612, 550,  581,  519, 550,  488, 519,  457, 488,  426, 457,  395, 426, 364, 395, 333,  364, 302,  333,
    271,  302,  240, 271,  209,  240, 178,  209, 147,  178, 116,  147, 85,   116, 54,  85,  23,  54,   23,  23,   24,
    24,   24,   55,  55,   86,   86,  117,  117, 148,  148, 179,  179, 210,  210, 241, 241, 272, 272,  303, 303,  334,
    334,  365,  365, 396,  396,  427, 427,  458, 458,  489, 489,  520, 520,  551, 551, 582, 582, 613,  613, 644,  644,
    675,  675,  706, 706,  737,  737, 768,  768, 768,  800, 800,  769, 800,  738, 769, 707, 738, 676,  707, 645,  676,
    614,  645,  583, 614,  552,  583, 521,  552, 490,  521, 459,  490, 428,  459, 397, 428, 366, 397,  335, 366,  304,
    335,  273,  304, 242,  273,  211, 242,  180, 211,  149, 180,  118, 149,  87,  118, 56,  87,  25,   56,  25,   25,
    26,   26,   26,  57,   57,   88,  88,   119, 119,  150, 150,  181, 181,  212, 212, 243, 243, 274,  274, 305,  305,
    336,  336,  367, 367,  398,  398, 429,  429, 460,  460, 491,  491, 522,  522, 553, 553, 584, 584,  615, 615,  646,
    646,  677,  677, 708,  708,  739, 739,  770, 770,  801, 801,  832, 832,  832, 864, 864, 833, 864,  802, 833,  771,
    802,  740,  771, 709,  740,  678, 709,  647, 678,  616, 647,  585, 616,  554, 585, 523, 554, 492,  523, 461,  492,
    430,  461,  399, 430,  368,  399, 337,  368, 306,  337, 275,  306, 244,  275, 213, 244, 182, 213,  151, 182,  120,
    151,  89,   120, 58,   89,   27,  58,   27,  27,   28,  28,   28,  59,   59,  90,  90,  121, 121,  152, 152,  183,
    183,  214,  214, 245,  245,  276, 276,  307, 307,  338, 338,  369, 369,  400, 400, 431, 431, 462,  462, 493,  493,
    524,  524,  555, 555,  586,  586, 617,  617, 648,  648, 679,  679, 710,  710, 741, 741, 772, 772,  803, 803,  834,
    834,  865,  865, 896,  896,  896, 928,  928, 897,  928, 866,  897, 835,  866, 804, 835, 773, 804,  742, 773,  711,
    742,  680,  711, 649,  680,  618, 649,  587, 618,  556, 587,  525, 556,  494, 525, 463, 494, 432,  463, 401,  432,
    370,  401,  339, 370,  308,  339, 277,  308, 246,  277, 215,  246, 184,  215, 153, 184, 122, 153,  91,  122,  60,
    91,   29,   60,  29,   29,   30,  30,   30,  61,   61,  92,   92,  123,  123, 154, 154, 185, 185,  216, 216,  247,
    247,  278,  278, 309,  309,  340, 340,  371, 371,  402, 402,  433, 433,  464, 464, 495, 495, 526,  526, 557,  557,
    588,  588,  619, 619,  650,  650, 681,  681, 712,  712, 743,  743, 774,  774, 805, 805, 836, 836,  867, 867,  898,
    898,  929,  929, 960,  960,  960, 961,  992, 930,  961, 899,  930, 868,  899, 837, 868, 806, 837,  775, 806,  744,
    775,  713,  744, 682,  713,  651, 682,  620, 651,  589, 620,  558, 589,  527, 558, 496, 527, 465,  496, 434,  465,
    403,  434,  372, 403,  341,  372, 310,  341, 279,  310, 248,  279, 217,  248, 186, 217, 155, 186,  124, 155,  93,
    124,  62,   93,  31,   62,   63,  94,   94,  125,  125, 156,  156, 187,  187, 218, 218, 249, 249,  280, 280,  311,
    311,  342,  342, 373,  373,  404, 404,  435, 435,  466, 466,  497, 497,  528, 528, 559, 559, 590,  590, 621,  621,
    652,  652,  683, 683,  714,  714, 745,  745, 776,  776, 807,  807, 838,  838, 869, 869, 900, 900,  931, 931,  962,
    962,  993,  963, 994,  932,  963, 901,  932, 870,  901, 839,  870, 808,  839, 777, 808, 746, 777,  715, 746,  684,
    715,  653,  684, 622,  653,  591, 622,  560, 591,  529, 560,  498, 529,  467, 498, 436, 467, 405,  436, 374,  405,
    343,  374,  312, 343,  281,  312, 250,  281, 219,  250, 188,  219, 157,  188, 126, 157, 95,  126,  127, 158,  158,
    189,  189,  220, 220,  251,  251, 282,  282, 313,  313, 344,  344, 375,  375, 406, 406, 437, 437,  468, 468,  499,
    499,  530,  530, 561,  561,  592, 592,  623, 623,  654, 654,  685, 685,  716, 716, 747, 747, 778,  778, 809,  809,
    840,  840,  871, 871,  902,  902, 933,  933, 964,  964, 995,  965, 996,  934, 965, 903, 934, 872,  903, 841,  872,
    810,  841,  779, 810,  748,  779, 717,  748, 686,  717, 655,  686, 624,  655, 593, 624, 562, 593,  531, 562,  500,
    531,  469,  500, 438,  469,  407, 438,  376, 407,  345, 376,  314, 345,  283, 314, 252, 283, 221,  252, 190,  221,
    159,  190,  191, 222,  222,  253, 253,  284, 284,  315, 315,  346, 346,  377, 377, 408, 408, 439,  439, 470,  470,
    501,  501,  532, 532,  563,  563, 594,  594, 625,  625, 656,  656, 687,  687, 718, 718, 749, 749,  780, 780,  811,
    811,  842,  842, 873,  873,  904, 904,  935, 935,  966, 966,  997, 967,  998, 936, 967, 905, 936,  874, 905,  843,
    874,  812,  843, 781,  812,  750, 781,  719, 750,  688, 719,  657, 688,  626, 657, 595, 626, 564,  595, 533,  564,
    502,  533,  471, 502,  440,  471, 409,  440, 378,  409, 347,  378, 316,  347, 285, 316, 254, 285,  223, 254,  255,
    286,  286,  317, 317,  348,  348, 379,  379, 410,  410, 441,  441, 472,  472, 503, 503, 534, 534,  565, 565,  596,
    596,  627,  627, 658,  658,  689, 689,  720, 720,  751, 751,  782, 782,  813, 813, 844, 844, 875,  875, 906,  906,
    937,  937,  968, 968,  999,  969, 1000, 938, 969,  907, 938,  876, 907,  845, 876, 814, 845, 783,  814, 752,  783,
    721,  752,  690, 721,  659,  690, 628,  659, 597,  628, 566,  597, 535,  566, 504, 535, 473, 504,  442, 473,  411,
    442,  380,  411, 349,  380,  318, 349,  287, 318,  319, 350,  350, 381,  381, 412, 412, 443, 443,  474, 474,  505,
    505,  536,  536, 567,  567,  598, 598,  629, 629,  660, 660,  691, 691,  722, 722, 753, 753, 784,  784, 815,  815,
    846,  846,  877, 877,  908,  908, 939,  939, 970,  970, 1001, 971, 1002, 940, 971, 909, 940, 878,  909, 847,  878,
    816,  847,  785, 816,  754,  785, 723,  754, 692,  723, 661,  692, 630,  661, 599, 630, 568, 599,  537, 568,  506,
    537,  475,  506, 444,  475,  413, 444,  382, 413,  351, 382,  383, 414,  414, 445, 445, 476, 476,  507, 507,  538,
    538,  569,  569, 600,  600,  631, 631,  662, 662,  693, 693,  724, 724,  755, 755, 786, 786, 817,  817, 848,  848,
    879,  879,  910, 910,  941,  941, 972,  972, 1003, 973, 1004, 942, 973,  911, 942, 880, 911, 849,  880, 818,  849,
    787,  818,  756, 787,  725,  756, 694,  725, 663,  694, 632,  663, 601,  632, 570, 601, 539, 570,  508, 539,  477,
    508,  446,  477, 415,  446,  447, 478,  478, 509,  509, 540,  540, 571,  571, 602, 602, 633, 633,  664, 664,  695,
    695,  726,  726, 757,  757,  788, 788,  819, 819,  850, 850,  881, 881,  912, 912, 943, 943, 974,  974, 1005, 975,
    1006, 944,  975, 913,  944,  882, 913,  851, 882,  820, 851,  789, 820,  758, 789, 727, 758, 696,  727, 665,  696,
    634,  665,  603, 634,  572,  603, 541,  572, 510,  541, 479,  510, 511,  542, 542, 573, 573, 604,  604, 635,  635,
    666,  666,  697, 697,  728,  728, 759,  759, 790,  790, 821,  821, 852,  852, 883, 883, 914, 914,  945, 945,  976,
    976,  1007, 977, 1008, 946,  977, 915,  946, 884,  915, 853,  884, 822,  853, 791, 822, 760, 791,  729, 760,  698,
    729,  667,  698, 636,  667,  605, 636,  574, 605,  543, 574,  575, 606,  606, 637, 637, 668, 668,  699, 699,  730,
    730,  761,  761, 792,  792,  823, 823,  854, 854,  885, 885,  916, 916,  947, 947, 978, 978, 1009, 979, 1010, 948,
    979,  917,  948, 886,  917,  855, 886,  824, 855,  793, 824,  762, 793,  731, 762, 700, 731, 669,  700, 638,  669,
    607,  638,  639, 670,  670,  701, 701,  732, 732,  763, 763,  794, 794,  825, 825, 856, 856, 887,  887, 918,  918,
    949,  949,  980, 980,  1011, 981, 1012, 950, 981,  919, 950,  888, 919,  857, 888, 826, 857, 795,  826, 764,  795,
    733,  764,  702, 733,  671,  702, 703,  734, 734,  765, 765,  796, 796,  827, 827, 858, 858, 889,  889, 920,  920,
    951,  951,  982, 982,  1013, 983, 1014, 952, 983,  921, 952,  890, 921,  859, 890, 828, 859, 797,  828, 766,  797,
    735,  766,  767, 798,  798,  829, 829,  860, 860,  891, 891,  922, 922,  953, 953, 984, 984, 1015, 985, 1016, 954,
    985,  923,  954, 892,  923,  861, 892,  830, 861,  799, 830,  831, 862,  862, 893, 893, 924, 924,  955, 955,  986,
    986,  1017, 987, 1018, 956,  987, 925,  956, 894,  925, 863,  894, 895,  926, 926, 957, 957, 988,  988, 1019, 989,
    1020, 958,  989, 927,  958,  959, 990,  990, 1021, 991, 1022, 0,   0};

DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_4x4[16]) = {
    0,
    4,
    8,
    12,
    1,
    5,
    9,
    13,
    2,
    6,
    10,
    14,
    3,
    7,
    11,
    15,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_4x4[16]) = {
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9,
    10,
    11,
    12,
    13,
    14,
    15,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_4x8[32]) = {
    0,  1,  3,  6,  2,  4,  7,  10, 5,  8,  11, 14, 9,  12, 15, 18,
    13, 16, 19, 22, 17, 20, 23, 26, 21, 24, 27, 29, 25, 28, 30, 31,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_4x8[32]) = {
    0, 8,  16, 24, 1, 9,  17, 25, 2, 10, 18, 26, 3, 11, 19, 27,
    4, 12, 20, 28, 5, 13, 21, 29, 6, 14, 22, 30, 7, 15, 23, 31,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_4x8[32]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15,
    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x4[32]) = {
    0, 2, 5,  9,  13, 17, 21, 25, 1, 4,  8,  12, 16, 20, 24, 28,
    3, 7, 11, 15, 19, 23, 27, 30, 6, 10, 14, 18, 22, 26, 29, 31,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x4[32]) = {
    0, 4, 8,  12, 16, 20, 24, 28, 1, 5, 9,  13, 17, 21, 25, 29,
    2, 6, 10, 14, 18, 22, 26, 30, 3, 7, 11, 15, 19, 23, 27, 31,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x4[32]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15,
    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_4x16[64]) = {
    0,  1,  3,  6,  2,  4,  7,  10, 5,  8,  11, 14, 9,  12, 15, 18, 13, 16, 19, 22, 17, 20,
    23, 26, 21, 24, 27, 30, 25, 28, 31, 34, 29, 32, 35, 38, 33, 36, 39, 42, 37, 40, 43, 46,
    41, 44, 47, 50, 45, 48, 51, 54, 49, 52, 55, 58, 53, 56, 59, 61, 57, 60, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x4[64]) = {
    0,  2,  5,  9,  13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 1,  4,  8,  12, 16, 20,
    24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 3,  7,  11, 15, 19, 23, 27, 31, 35, 39, 43, 47,
    51, 55, 59, 62, 6,  10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 61, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_4x16[64]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
    22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
    44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x4[64]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
    22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
    44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_4x16[64]) = {
    0,  16, 32, 48, 1,  17, 33, 49, 2,  18, 34, 50, 3,  19, 35, 51, 4,  20, 36, 52, 5,  21,
    37, 53, 6,  22, 38, 54, 7,  23, 39, 55, 8,  24, 40, 56, 9,  25, 41, 57, 10, 26, 42, 58,
    11, 27, 43, 59, 12, 28, 44, 60, 13, 29, 45, 61, 14, 30, 46, 62, 15, 31, 47, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x4[64]) = {
    0,  4,  8,  12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 1,  5,  9,  13, 17, 21,
    25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 2,  6,  10, 14, 18, 22, 26, 30, 34, 38, 42, 46,
    50, 54, 58, 62, 3,  7,  11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x32[256]) = {
    0,   1,   3,   6,   10,  15,  21,  28,  2,   4,   7,   11,  16,  22,  29,  36,  5,   8,   12,  17,  23,  30,
    37,  44,  9,   13,  18,  24,  31,  38,  45,  52,  14,  19,  25,  32,  39,  46,  53,  60,  20,  26,  33,  40,
    47,  54,  61,  68,  27,  34,  41,  48,  55,  62,  69,  76,  35,  42,  49,  56,  63,  70,  77,  84,  43,  50,
    57,  64,  71,  78,  85,  92,  51,  58,  65,  72,  79,  86,  93,  100, 59,  66,  73,  80,  87,  94,  101, 108,
    67,  74,  81,  88,  95,  102, 109, 116, 75,  82,  89,  96,  103, 110, 117, 124, 83,  90,  97,  104, 111, 118,
    125, 132, 91,  98,  105, 112, 119, 126, 133, 140, 99,  106, 113, 120, 127, 134, 141, 148, 107, 114, 121, 128,
    135, 142, 149, 156, 115, 122, 129, 136, 143, 150, 157, 164, 123, 130, 137, 144, 151, 158, 165, 172, 131, 138,
    145, 152, 159, 166, 173, 180, 139, 146, 153, 160, 167, 174, 181, 188, 147, 154, 161, 168, 175, 182, 189, 196,
    155, 162, 169, 176, 183, 190, 197, 204, 163, 170, 177, 184, 191, 198, 205, 212, 171, 178, 185, 192, 199, 206,
    213, 220, 179, 186, 193, 200, 207, 214, 221, 228, 187, 194, 201, 208, 215, 222, 229, 235, 195, 202, 209, 216,
    223, 230, 236, 241, 203, 210, 217, 224, 231, 237, 242, 246, 211, 218, 225, 232, 238, 243, 247, 250, 219, 226,
    233, 239, 244, 248, 251, 253, 227, 234, 240, 245, 249, 252, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_32x8[256]) = {
    0,   2,   5,   9,   14,  20,  27,  35,  43,  51,  59,  67,  75,  83,  91,  99,  107, 115, 123, 131, 139, 147,
    155, 163, 171, 179, 187, 195, 203, 211, 219, 227, 1,   4,   8,   13,  19,  26,  34,  42,  50,  58,  66,  74,
    82,  90,  98,  106, 114, 122, 130, 138, 146, 154, 162, 170, 178, 186, 194, 202, 210, 218, 226, 234, 3,   7,
    12,  18,  25,  33,  41,  49,  57,  65,  73,  81,  89,  97,  105, 113, 121, 129, 137, 145, 153, 161, 169, 177,
    185, 193, 201, 209, 217, 225, 233, 240, 6,   11,  17,  24,  32,  40,  48,  56,  64,  72,  80,  88,  96,  104,
    112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, 239, 245, 10,  16,  23,  31,
    39,  47,  55,  63,  71,  79,  87,  95,  103, 111, 119, 127, 135, 143, 151, 159, 167, 175, 183, 191, 199, 207,
    215, 223, 231, 238, 244, 249, 15,  22,  30,  38,  46,  54,  62,  70,  78,  86,  94,  102, 110, 118, 126, 134,
    142, 150, 158, 166, 174, 182, 190, 198, 206, 214, 222, 230, 237, 243, 248, 252, 21,  29,  37,  45,  53,  61,
    69,  77,  85,  93,  101, 109, 117, 125, 133, 141, 149, 157, 165, 173, 181, 189, 197, 205, 213, 221, 229, 236,
    242, 247, 251, 254, 28,  36,  44,  52,  60,  68,  76,  84,  92,  100, 108, 116, 124, 132, 140, 148, 156, 164,
    172, 180, 188, 196, 204, 212, 220, 228, 235, 241, 246, 250, 253, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x32[256]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
    132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
    154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
    176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
    198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
    220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
    242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_32x8[256]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
    132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
    154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
    176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
    198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
    220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
    242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x32[256]) = {
    0,  32, 64, 96,  128, 160, 192, 224, 1,  33, 65, 97,  129, 161, 193, 225, 2,  34, 66, 98,  130, 162, 194, 226,
    3,  35, 67, 99,  131, 163, 195, 227, 4,  36, 68, 100, 132, 164, 196, 228, 5,  37, 69, 101, 133, 165, 197, 229,
    6,  38, 70, 102, 134, 166, 198, 230, 7,  39, 71, 103, 135, 167, 199, 231, 8,  40, 72, 104, 136, 168, 200, 232,
    9,  41, 73, 105, 137, 169, 201, 233, 10, 42, 74, 106, 138, 170, 202, 234, 11, 43, 75, 107, 139, 171, 203, 235,
    12, 44, 76, 108, 140, 172, 204, 236, 13, 45, 77, 109, 141, 173, 205, 237, 14, 46, 78, 110, 142, 174, 206, 238,
    15, 47, 79, 111, 143, 175, 207, 239, 16, 48, 80, 112, 144, 176, 208, 240, 17, 49, 81, 113, 145, 177, 209, 241,
    18, 50, 82, 114, 146, 178, 210, 242, 19, 51, 83, 115, 147, 179, 211, 243, 20, 52, 84, 116, 148, 180, 212, 244,
    21, 53, 85, 117, 149, 181, 213, 245, 22, 54, 86, 118, 150, 182, 214, 246, 23, 55, 87, 119, 151, 183, 215, 247,
    24, 56, 88, 120, 152, 184, 216, 248, 25, 57, 89, 121, 153, 185, 217, 249, 26, 58, 90, 122, 154, 186, 218, 250,
    27, 59, 91, 123, 155, 187, 219, 251, 28, 60, 92, 124, 156, 188, 220, 252, 29, 61, 93, 125, 157, 189, 221, 253,
    30, 62, 94, 126, 158, 190, 222, 254, 31, 63, 95, 127, 159, 191, 223, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_32x8[256]) = {
    0,   8,   16,  24,  32,  40,  48,  56,  64,  72,  80,  88,  96,  104, 112, 120, 128, 136, 144, 152, 160, 168,
    176, 184, 192, 200, 208, 216, 224, 232, 240, 248, 1,   9,   17,  25,  33,  41,  49,  57,  65,  73,  81,  89,
    97,  105, 113, 121, 129, 137, 145, 153, 161, 169, 177, 185, 193, 201, 209, 217, 225, 233, 241, 249, 2,   10,
    18,  26,  34,  42,  50,  58,  66,  74,  82,  90,  98,  106, 114, 122, 130, 138, 146, 154, 162, 170, 178, 186,
    194, 202, 210, 218, 226, 234, 242, 250, 3,   11,  19,  27,  35,  43,  51,  59,  67,  75,  83,  91,  99,  107,
    115, 123, 131, 139, 147, 155, 163, 171, 179, 187, 195, 203, 211, 219, 227, 235, 243, 251, 4,   12,  20,  28,
    36,  44,  52,  60,  68,  76,  84,  92,  100, 108, 116, 124, 132, 140, 148, 156, 164, 172, 180, 188, 196, 204,
    212, 220, 228, 236, 244, 252, 5,   13,  21,  29,  37,  45,  53,  61,  69,  77,  85,  93,  101, 109, 117, 125,
    133, 141, 149, 157, 165, 173, 181, 189, 197, 205, 213, 221, 229, 237, 245, 253, 6,   14,  22,  30,  38,  46,
    54,  62,  70,  78,  86,  94,  102, 110, 118, 126, 134, 142, 150, 158, 166, 174, 182, 190, 198, 206, 214, 222,
    230, 238, 246, 254, 7,   15,  23,  31,  39,  47,  55,  63,  71,  79,  87,  95,  103, 111, 119, 127, 135, 143,
    151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, 247, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x8[64]) = {
    0,  8,  16, 24, 32, 40, 48, 56, 1,  9,  17, 25, 33, 41, 49, 57, 2,  10, 18, 26, 34, 42,
    50, 58, 3,  11, 19, 27, 35, 43, 51, 59, 4,  12, 20, 28, 36, 44, 52, 60, 5,  13, 21, 29,
    37, 45, 53, 61, 6,  14, 22, 30, 38, 46, 54, 62, 7,  15, 23, 31, 39, 47, 55, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x8[64]) = {
    0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
    22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
    44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x8[64]) = {
    0,  1,  5,  6,  14, 15, 27, 28, 2,  4,  7,  13, 16, 26, 29, 42, 3,  8,  12, 17, 25, 30,
    41, 43, 9,  11, 18, 24, 31, 40, 44, 53, 10, 19, 23, 32, 39, 45, 52, 54, 20, 22, 33, 38,
    46, 51, 55, 60, 21, 34, 37, 47, 50, 56, 59, 61, 35, 36, 48, 49, 57, 58, 62, 63};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x16[128]) = {
    0,   1,   3,  6,  10,  15,  21,  28,  2,   4,   7,  11,  16,  22,  29,  36,  5,   8,   12, 17,  23,  30,
    37,  44,  9,  13, 18,  24,  31,  38,  45,  52,  14, 19,  25,  32,  39,  46,  53,  60,  20, 26,  33,  40,
    47,  54,  61, 68, 27,  34,  41,  48,  55,  62,  69, 76,  35,  42,  49,  56,  63,  70,  77, 84,  43,  50,
    57,  64,  71, 78, 85,  92,  51,  58,  65,  72,  79, 86,  93,  100, 59,  66,  73,  80,  87, 94,  101, 107,
    67,  74,  81, 88, 95,  102, 108, 113, 75,  82,  89, 96,  103, 109, 114, 118, 83,  90,  97, 104, 110, 115,
    119, 122, 91, 98, 105, 111, 116, 120, 123, 125, 99, 106, 112, 117, 121, 124, 126, 127,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x8[128]) = {
    0,   2,   5,   9,   14,  20,  27,  35,  43, 51,  59,  67,  75,  83,  91,  99,  1,   4,   8,   13,  19,  26,
    34,  42,  50,  58,  66,  74,  82,  90,  98, 106, 3,   7,   12,  18,  25,  33,  41,  49,  57,  65,  73,  81,
    89,  97,  105, 112, 6,   11,  17,  24,  32, 40,  48,  56,  64,  72,  80,  88,  96,  104, 111, 117, 10,  16,
    23,  31,  39,  47,  55,  63,  71,  79,  87, 95,  103, 110, 116, 121, 15,  22,  30,  38,  46,  54,  62,  70,
    78,  86,  94,  102, 109, 115, 120, 124, 21, 29,  37,  45,  53,  61,  69,  77,  85,  93,  101, 108, 114, 119,
    123, 126, 28,  36,  44,  52,  60,  68,  76, 84,  92,  100, 107, 113, 118, 122, 125, 127,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x16[128]) = {
    0,   16,  32,  48,  64,  80,  96,  112, 1,   17,  33,  49,  65,  81,  97,  113, 2,   18,  34,  50,  66,  82,
    98,  114, 3,   19,  35,  51,  67,  83,  99,  115, 4,   20,  36,  52,  68,  84,  100, 116, 5,   21,  37,  53,
    69,  85,  101, 117, 6,   22,  38,  54,  70,  86,  102, 118, 7,   23,  39,  55,  71,  87,  103, 119, 8,   24,
    40,  56,  72,  88,  104, 120, 9,   25,  41,  57,  73,  89,  105, 121, 10,  26,  42,  58,  74,  90,  106, 122,
    11,  27,  43,  59,  75,  91,  107, 123, 12,  28,  44,  60,  76,  92,  108, 124, 13,  29,  45,  61,  77,  93,
    109, 125, 14,  30,  46,  62,  78,  94,  110, 126, 15,  31,  47,  63,  79,  95,  111, 127,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x8[128]) = {
    0,   8,   16,  24,  32,  40,  48,  56,  64,  72,  80,  88,  96,  104, 112, 120, 1,   9,   17,  25,  33,  41,
    49,  57,  65,  73,  81,  89,  97,  105, 113, 121, 2,   10,  18,  26,  34,  42,  50,  58,  66,  74,  82,  90,
    98,  106, 114, 122, 3,   11,  19,  27,  35,  43,  51,  59,  67,  75,  83,  91,  99,  107, 115, 123, 4,   12,
    20,  28,  36,  44,  52,  60,  68,  76,  84,  92,  100, 108, 116, 124, 5,   13,  21,  29,  37,  45,  53,  61,
    69,  77,  85,  93,  101, 109, 117, 125, 6,   14,  22,  30,  38,  46,  54,  62,  70,  78,  86,  94,  102, 110,
    118, 126, 7,   15,  23,  31,  39,  47,  55,  63,  71,  79,  87,  95,  103, 111, 119, 127,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x16[128]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x8[128]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x32[512]) = {
    0,   1,   3,   6,   10,  15,  21,  28,  36,  45,  55,  66,  78,  91,  105, 120, 2,   4,   7,   11,  16,  22,  29,
    37,  46,  56,  67,  79,  92,  106, 121, 136, 5,   8,   12,  17,  23,  30,  38,  47,  57,  68,  80,  93,  107, 122,
    137, 152, 9,   13,  18,  24,  31,  39,  48,  58,  69,  81,  94,  108, 123, 138, 153, 168, 14,  19,  25,  32,  40,
    49,  59,  70,  82,  95,  109, 124, 139, 154, 169, 184, 20,  26,  33,  41,  50,  60,  71,  83,  96,  110, 125, 140,
    155, 170, 185, 200, 27,  34,  42,  51,  61,  72,  84,  97,  111, 126, 141, 156, 171, 186, 201, 216, 35,  43,  52,
    62,  73,  85,  98,  112, 127, 142, 157, 172, 187, 202, 217, 232, 44,  53,  63,  74,  86,  99,  113, 128, 143, 158,
    173, 188, 203, 218, 233, 248, 54,  64,  75,  87,  100, 114, 129, 144, 159, 174, 189, 204, 219, 234, 249, 264, 65,
    76,  88,  101, 115, 130, 145, 160, 175, 190, 205, 220, 235, 250, 265, 280, 77,  89,  102, 116, 131, 146, 161, 176,
    191, 206, 221, 236, 251, 266, 281, 296, 90,  103, 117, 132, 147, 162, 177, 192, 207, 222, 237, 252, 267, 282, 297,
    312, 104, 118, 133, 148, 163, 178, 193, 208, 223, 238, 253, 268, 283, 298, 313, 328, 119, 134, 149, 164, 179, 194,
    209, 224, 239, 254, 269, 284, 299, 314, 329, 344, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315,
    330, 345, 360, 151, 166, 181, 196, 211, 226, 241, 256, 271, 286, 301, 316, 331, 346, 361, 376, 167, 182, 197, 212,
    227, 242, 257, 272, 287, 302, 317, 332, 347, 362, 377, 392, 183, 198, 213, 228, 243, 258, 273, 288, 303, 318, 333,
    348, 363, 378, 393, 407, 199, 214, 229, 244, 259, 274, 289, 304, 319, 334, 349, 364, 379, 394, 408, 421, 215, 230,
    245, 260, 275, 290, 305, 320, 335, 350, 365, 380, 395, 409, 422, 434, 231, 246, 261, 276, 291, 306, 321, 336, 351,
    366, 381, 396, 410, 423, 435, 446, 247, 262, 277, 292, 307, 322, 337, 352, 367, 382, 397, 411, 424, 436, 447, 457,
    263, 278, 293, 308, 323, 338, 353, 368, 383, 398, 412, 425, 437, 448, 458, 467, 279, 294, 309, 324, 339, 354, 369,
    384, 399, 413, 426, 438, 449, 459, 468, 476, 295, 310, 325, 340, 355, 370, 385, 400, 414, 427, 439, 450, 460, 469,
    477, 484, 311, 326, 341, 356, 371, 386, 401, 415, 428, 440, 451, 461, 470, 478, 485, 491, 327, 342, 357, 372, 387,
    402, 416, 429, 441, 452, 462, 471, 479, 486, 492, 497, 343, 358, 373, 388, 403, 417, 430, 442, 453, 463, 472, 480,
    487, 493, 498, 502, 359, 374, 389, 404, 418, 431, 443, 454, 464, 473, 481, 488, 494, 499, 503, 506, 375, 390, 405,
    419, 432, 444, 455, 465, 474, 482, 489, 495, 500, 504, 507, 509, 391, 406, 420, 433, 445, 456, 466, 475, 483, 490,
    496, 501, 505, 508, 510, 511,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_32x16[512]) = {
    0,   2,   5,   9,   14,  20,  27,  35,  44,  54,  65,  77,  90,  104, 119, 135, 151, 167, 183, 199, 215, 231, 247,
    263, 279, 295, 311, 327, 343, 359, 375, 391, 1,   4,   8,   13,  19,  26,  34,  43,  53,  64,  76,  89,  103, 118,
    134, 150, 166, 182, 198, 214, 230, 246, 262, 278, 294, 310, 326, 342, 358, 374, 390, 406, 3,   7,   12,  18,  25,
    33,  42,  52,  63,  75,  88,  102, 117, 133, 149, 165, 181, 197, 213, 229, 245, 261, 277, 293, 309, 325, 341, 357,
    373, 389, 405, 420, 6,   11,  17,  24,  32,  41,  51,  62,  74,  87,  101, 116, 132, 148, 164, 180, 196, 212, 228,
    244, 260, 276, 292, 308, 324, 340, 356, 372, 388, 404, 419, 433, 10,  16,  23,  31,  40,  50,  61,  73,  86,  100,
    115, 131, 147, 163, 179, 195, 211, 227, 243, 259, 275, 291, 307, 323, 339, 355, 371, 387, 403, 418, 432, 445, 15,
    22,  30,  39,  49,  60,  72,  85,  99,  114, 130, 146, 162, 178, 194, 210, 226, 242, 258, 274, 290, 306, 322, 338,
    354, 370, 386, 402, 417, 431, 444, 456, 21,  29,  38,  48,  59,  71,  84,  98,  113, 129, 145, 161, 177, 193, 209,
    225, 241, 257, 273, 289, 305, 321, 337, 353, 369, 385, 401, 416, 430, 443, 455, 466, 28,  37,  47,  58,  70,  83,
    97,  112, 128, 144, 160, 176, 192, 208, 224, 240, 256, 272, 288, 304, 320, 336, 352, 368, 384, 400, 415, 429, 442,
    454, 465, 475, 36,  46,  57,  69,  82,  96,  111, 127, 143, 159, 175, 191, 207, 223, 239, 255, 271, 287, 303, 319,
    335, 351, 367, 383, 399, 414, 428, 441, 453, 464, 474, 483, 45,  56,  68,  81,  95,  110, 126, 142, 158, 174, 190,
    206, 222, 238, 254, 270, 286, 302, 318, 334, 350, 366, 382, 398, 413, 427, 440, 452, 463, 473, 482, 490, 55,  67,
    80,  94,  109, 125, 141, 157, 173, 189, 205, 221, 237, 253, 269, 285, 301, 317, 333, 349, 365, 381, 397, 412, 426,
    439, 451, 462, 472, 481, 489, 496, 66,  79,  93,  108, 124, 140, 156, 172, 188, 204, 220, 236, 252, 268, 284, 300,
    316, 332, 348, 364, 380, 396, 411, 425, 438, 450, 461, 471, 480, 488, 495, 501, 78,  92,  107, 123, 139, 155, 171,
    187, 203, 219, 235, 251, 267, 283, 299, 315, 331, 347, 363, 379, 395, 410, 424, 437, 449, 460, 470, 479, 487, 494,
    500, 505, 91,  106, 122, 138, 154, 170, 186, 202, 218, 234, 250, 266, 282, 298, 314, 330, 346, 362, 378, 394, 409,
    423, 436, 448, 459, 469, 478, 486, 493, 499, 504, 508, 105, 121, 137, 153, 169, 185, 201, 217, 233, 249, 265, 281,
    297, 313, 329, 345, 361, 377, 393, 408, 422, 435, 447, 458, 468, 477, 485, 492, 498, 503, 507, 510, 120, 136, 152,
    168, 184, 200, 216, 232, 248, 264, 280, 296, 312, 328, 344, 360, 376, 392, 407, 421, 434, 446, 457, 467, 476, 484,
    491, 497, 502, 506, 509, 511,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x32[512]) = {
    0,   32,  64,  96,  128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480, 1,   33,  65,  97,  129, 161, 193,
    225, 257, 289, 321, 353, 385, 417, 449, 481, 2,   34,  66,  98,  130, 162, 194, 226, 258, 290, 322, 354, 386, 418,
    450, 482, 3,   35,  67,  99,  131, 163, 195, 227, 259, 291, 323, 355, 387, 419, 451, 483, 4,   36,  68,  100, 132,
    164, 196, 228, 260, 292, 324, 356, 388, 420, 452, 484, 5,   37,  69,  101, 133, 165, 197, 229, 261, 293, 325, 357,
    389, 421, 453, 485, 6,   38,  70,  102, 134, 166, 198, 230, 262, 294, 326, 358, 390, 422, 454, 486, 7,   39,  71,
    103, 135, 167, 199, 231, 263, 295, 327, 359, 391, 423, 455, 487, 8,   40,  72,  104, 136, 168, 200, 232, 264, 296,
    328, 360, 392, 424, 456, 488, 9,   41,  73,  105, 137, 169, 201, 233, 265, 297, 329, 361, 393, 425, 457, 489, 10,
    42,  74,  106, 138, 170, 202, 234, 266, 298, 330, 362, 394, 426, 458, 490, 11,  43,  75,  107, 139, 171, 203, 235,
    267, 299, 331, 363, 395, 427, 459, 491, 12,  44,  76,  108, 140, 172, 204, 236, 268, 300, 332, 364, 396, 428, 460,
    492, 13,  45,  77,  109, 141, 173, 205, 237, 269, 301, 333, 365, 397, 429, 461, 493, 14,  46,  78,  110, 142, 174,
    206, 238, 270, 302, 334, 366, 398, 430, 462, 494, 15,  47,  79,  111, 143, 175, 207, 239, 271, 303, 335, 367, 399,
    431, 463, 495, 16,  48,  80,  112, 144, 176, 208, 240, 272, 304, 336, 368, 400, 432, 464, 496, 17,  49,  81,  113,
    145, 177, 209, 241, 273, 305, 337, 369, 401, 433, 465, 497, 18,  50,  82,  114, 146, 178, 210, 242, 274, 306, 338,
    370, 402, 434, 466, 498, 19,  51,  83,  115, 147, 179, 211, 243, 275, 307, 339, 371, 403, 435, 467, 499, 20,  52,
    84,  116, 148, 180, 212, 244, 276, 308, 340, 372, 404, 436, 468, 500, 21,  53,  85,  117, 149, 181, 213, 245, 277,
    309, 341, 373, 405, 437, 469, 501, 22,  54,  86,  118, 150, 182, 214, 246, 278, 310, 342, 374, 406, 438, 470, 502,
    23,  55,  87,  119, 151, 183, 215, 247, 279, 311, 343, 375, 407, 439, 471, 503, 24,  56,  88,  120, 152, 184, 216,
    248, 280, 312, 344, 376, 408, 440, 472, 504, 25,  57,  89,  121, 153, 185, 217, 249, 281, 313, 345, 377, 409, 441,
    473, 505, 26,  58,  90,  122, 154, 186, 218, 250, 282, 314, 346, 378, 410, 442, 474, 506, 27,  59,  91,  123, 155,
    187, 219, 251, 283, 315, 347, 379, 411, 443, 475, 507, 28,  60,  92,  124, 156, 188, 220, 252, 284, 316, 348, 380,
    412, 444, 476, 508, 29,  61,  93,  125, 157, 189, 221, 253, 285, 317, 349, 381, 413, 445, 477, 509, 30,  62,  94,
    126, 158, 190, 222, 254, 286, 318, 350, 382, 414, 446, 478, 510, 31,  63,  95,  127, 159, 191, 223, 255, 287, 319,
    351, 383, 415, 447, 479, 511,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_32x16[512]) = {
    0,   16,  32,  48,  64,  80,  96,  112, 128, 144, 160, 176, 192, 208, 224, 240, 256, 272, 288, 304, 320, 336, 352,
    368, 384, 400, 416, 432, 448, 464, 480, 496, 1,   17,  33,  49,  65,  81,  97,  113, 129, 145, 161, 177, 193, 209,
    225, 241, 257, 273, 289, 305, 321, 337, 353, 369, 385, 401, 417, 433, 449, 465, 481, 497, 2,   18,  34,  50,  66,
    82,  98,  114, 130, 146, 162, 178, 194, 210, 226, 242, 258, 274, 290, 306, 322, 338, 354, 370, 386, 402, 418, 434,
    450, 466, 482, 498, 3,   19,  35,  51,  67,  83,  99,  115, 131, 147, 163, 179, 195, 211, 227, 243, 259, 275, 291,
    307, 323, 339, 355, 371, 387, 403, 419, 435, 451, 467, 483, 499, 4,   20,  36,  52,  68,  84,  100, 116, 132, 148,
    164, 180, 196, 212, 228, 244, 260, 276, 292, 308, 324, 340, 356, 372, 388, 404, 420, 436, 452, 468, 484, 500, 5,
    21,  37,  53,  69,  85,  101, 117, 133, 149, 165, 181, 197, 213, 229, 245, 261, 277, 293, 309, 325, 341, 357, 373,
    389, 405, 421, 437, 453, 469, 485, 501, 6,   22,  38,  54,  70,  86,  102, 118, 134, 150, 166, 182, 198, 214, 230,
    246, 262, 278, 294, 310, 326, 342, 358, 374, 390, 406, 422, 438, 454, 470, 486, 502, 7,   23,  39,  55,  71,  87,
    103, 119, 135, 151, 167, 183, 199, 215, 231, 247, 263, 279, 295, 311, 327, 343, 359, 375, 391, 407, 423, 439, 455,
    471, 487, 503, 8,   24,  40,  56,  72,  88,  104, 120, 136, 152, 168, 184, 200, 216, 232, 248, 264, 280, 296, 312,
    328, 344, 360, 376, 392, 408, 424, 440, 456, 472, 488, 504, 9,   25,  41,  57,  73,  89,  105, 121, 137, 153, 169,
    185, 201, 217, 233, 249, 265, 281, 297, 313, 329, 345, 361, 377, 393, 409, 425, 441, 457, 473, 489, 505, 10,  26,
    42,  58,  74,  90,  106, 122, 138, 154, 170, 186, 202, 218, 234, 250, 266, 282, 298, 314, 330, 346, 362, 378, 394,
    410, 426, 442, 458, 474, 490, 506, 11,  27,  43,  59,  75,  91,  107, 123, 139, 155, 171, 187, 203, 219, 235, 251,
    267, 283, 299, 315, 331, 347, 363, 379, 395, 411, 427, 443, 459, 475, 491, 507, 12,  28,  44,  60,  76,  92,  108,
    124, 140, 156, 172, 188, 204, 220, 236, 252, 268, 284, 300, 316, 332, 348, 364, 380, 396, 412, 428, 444, 460, 476,
    492, 508, 13,  29,  45,  61,  77,  93,  109, 125, 141, 157, 173, 189, 205, 221, 237, 253, 269, 285, 301, 317, 333,
    349, 365, 381, 397, 413, 429, 445, 461, 477, 493, 509, 14,  30,  46,  62,  78,  94,  110, 126, 142, 158, 174, 190,
    206, 222, 238, 254, 270, 286, 302, 318, 334, 350, 366, 382, 398, 414, 430, 446, 462, 478, 494, 510, 15,  31,  47,
    63,  79,  95,  111, 127, 143, 159, 175, 191, 207, 223, 239, 255, 271, 287, 303, 319, 335, 351, 367, 383, 399, 415,
    431, 447, 463, 479, 495, 511,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x32[512]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,
    23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,
    46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,  68,
    69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  91,
    92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
    115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
    138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160,
    161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
    184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206,
    207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229,
    230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252,
    253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275,
    276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298,
    299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321,
    322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344,
    345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367,
    368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390,
    391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413,
    414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436,
    437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459,
    460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482,
    483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505,
    506, 507, 508, 509, 510, 511,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_32x16[512]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,
    23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,
    46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,  68,
    69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  91,
    92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114,
    115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
    138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160,
    161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183,
    184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206,
    207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229,
    230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252,
    253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275,
    276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298,
    299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321,
    322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344,
    345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367,
    368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390,
    391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413,
    414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436,
    437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459,
    460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482,
    483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505,
    506, 507, 508, 509, 510, 511,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x16[256]) = {
    0,   16,  32,  48,  64,  80,  96,  112, 128, 144, 160, 176, 192, 208, 224, 240, 1,   17,  33,  49,  65,  81,
    97,  113, 129, 145, 161, 177, 193, 209, 225, 241, 2,   18,  34,  50,  66,  82,  98,  114, 130, 146, 162, 178,
    194, 210, 226, 242, 3,   19,  35,  51,  67,  83,  99,  115, 131, 147, 163, 179, 195, 211, 227, 243, 4,   20,
    36,  52,  68,  84,  100, 116, 132, 148, 164, 180, 196, 212, 228, 244, 5,   21,  37,  53,  69,  85,  101, 117,
    133, 149, 165, 181, 197, 213, 229, 245, 6,   22,  38,  54,  70,  86,  102, 118, 134, 150, 166, 182, 198, 214,
    230, 246, 7,   23,  39,  55,  71,  87,  103, 119, 135, 151, 167, 183, 199, 215, 231, 247, 8,   24,  40,  56,
    72,  88,  104, 120, 136, 152, 168, 184, 200, 216, 232, 248, 9,   25,  41,  57,  73,  89,  105, 121, 137, 153,
    169, 185, 201, 217, 233, 249, 10,  26,  42,  58,  74,  90,  106, 122, 138, 154, 170, 186, 202, 218, 234, 250,
    11,  27,  43,  59,  75,  91,  107, 123, 139, 155, 171, 187, 203, 219, 235, 251, 12,  28,  44,  60,  76,  92,
    108, 124, 140, 156, 172, 188, 204, 220, 236, 252, 13,  29,  45,  61,  77,  93,  109, 125, 141, 157, 173, 189,
    205, 221, 237, 253, 14,  30,  46,  62,  78,  94,  110, 126, 142, 158, 174, 190, 206, 222, 238, 254, 15,  31,
    47,  63,  79,  95,  111, 127, 143, 159, 175, 191, 207, 223, 239, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x16[256]) = {
    0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14,  15,  16,  17,  18,  19,  20,  21,
    22,  23,  24,  25,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,
    44,  45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,
    66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,
    88,  89,  90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
    110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
    132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153,
    154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
    176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
    198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219,
    220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241,
    242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x16[256]) = {
    0,   1,   5,   6,   14,  15,  27,  28,  44,  45,  65,  66,  90,  91,  119, 120, 2,   4,   7,   13,  16,  26,
    29,  43,  46,  64,  67,  89,  92,  118, 121, 150, 3,   8,   12,  17,  25,  30,  42,  47,  63,  68,  88,  93,
    117, 122, 149, 151, 9,   11,  18,  24,  31,  41,  48,  62,  69,  87,  94,  116, 123, 148, 152, 177, 10,  19,
    23,  32,  40,  49,  61,  70,  86,  95,  115, 124, 147, 153, 176, 178, 20,  22,  33,  39,  50,  60,  71,  85,
    96,  114, 125, 146, 154, 175, 179, 200, 21,  34,  38,  51,  59,  72,  84,  97,  113, 126, 145, 155, 174, 180,
    199, 201, 35,  37,  52,  58,  73,  83,  98,  112, 127, 144, 156, 173, 181, 198, 202, 219, 36,  53,  57,  74,
    82,  99,  111, 128, 143, 157, 172, 182, 197, 203, 218, 220, 54,  56,  75,  81,  100, 110, 129, 142, 158, 171,
    183, 196, 204, 217, 221, 234, 55,  76,  80,  101, 109, 130, 141, 159, 170, 184, 195, 205, 216, 222, 233, 235,
    77,  79,  102, 108, 131, 140, 160, 169, 185, 194, 206, 215, 223, 232, 236, 245, 78,  103, 107, 132, 139, 161,
    168, 186, 193, 207, 214, 224, 231, 237, 244, 246, 104, 106, 133, 138, 162, 167, 187, 192, 208, 213, 225, 230,
    238, 243, 247, 252, 105, 134, 137, 163, 166, 188, 191, 209, 212, 226, 229, 239, 242, 248, 251, 253, 135, 136,
    164, 165, 189, 190, 210, 211, 227, 228, 240, 241, 249, 250, 254, 255};
DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_32x32[1024]) = {
    0,   32,  64,  96,   128, 160, 192, 224,  256, 288, 320, 352,  384, 416, 448, 480,  512, 544, 576, 608,
    640, 672, 704, 736,  768, 800, 832, 864,  896, 928, 960, 992,  1,   33,  65,  97,   129, 161, 193, 225,
    257, 289, 321, 353,  385, 417, 449, 481,  513, 545, 577, 609,  641, 673, 705, 737,  769, 801, 833, 865,
    897, 929, 961, 993,  2,   34,  66,  98,   130, 162, 194, 226,  258, 290, 322, 354,  386, 418, 450, 482,
    514, 546, 578, 610,  642, 674, 706, 738,  770, 802, 834, 866,  898, 930, 962, 994,  3,   35,  67,  99,
    131, 163, 195, 227,  259, 291, 323, 355,  387, 419, 451, 483,  515, 547, 579, 611,  643, 675, 707, 739,
    771, 803, 835, 867,  899, 931, 963, 995,  4,   36,  68,  100,  132, 164, 196, 228,  260, 292, 324, 356,
    388, 420, 452, 484,  516, 548, 580, 612,  644, 676, 708, 740,  772, 804, 836, 868,  900, 932, 964, 996,
    5,   37,  69,  101,  133, 165, 197, 229,  261, 293, 325, 357,  389, 421, 453, 485,  517, 549, 581, 613,
    645, 677, 709, 741,  773, 805, 837, 869,  901, 933, 965, 997,  6,   38,  70,  102,  134, 166, 198, 230,
    262, 294, 326, 358,  390, 422, 454, 486,  518, 550, 582, 614,  646, 678, 710, 742,  774, 806, 838, 870,
    902, 934, 966, 998,  7,   39,  71,  103,  135, 167, 199, 231,  263, 295, 327, 359,  391, 423, 455, 487,
    519, 551, 583, 615,  647, 679, 711, 743,  775, 807, 839, 871,  903, 935, 967, 999,  8,   40,  72,  104,
    136, 168, 200, 232,  264, 296, 328, 360,  392, 424, 456, 488,  520, 552, 584, 616,  648, 680, 712, 744,
    776, 808, 840, 872,  904, 936, 968, 1000, 9,   41,  73,  105,  137, 169, 201, 233,  265, 297, 329, 361,
    393, 425, 457, 489,  521, 553, 585, 617,  649, 681, 713, 745,  777, 809, 841, 873,  905, 937, 969, 1001,
    10,  42,  74,  106,  138, 170, 202, 234,  266, 298, 330, 362,  394, 426, 458, 490,  522, 554, 586, 618,
    650, 682, 714, 746,  778, 810, 842, 874,  906, 938, 970, 1002, 11,  43,  75,  107,  139, 171, 203, 235,
    267, 299, 331, 363,  395, 427, 459, 491,  523, 555, 587, 619,  651, 683, 715, 747,  779, 811, 843, 875,
    907, 939, 971, 1003, 12,  44,  76,  108,  140, 172, 204, 236,  268, 300, 332, 364,  396, 428, 460, 492,
    524, 556, 588, 620,  652, 684, 716, 748,  780, 812, 844, 876,  908, 940, 972, 1004, 13,  45,  77,  109,
    141, 173, 205, 237,  269, 301, 333, 365,  397, 429, 461, 493,  525, 557, 589, 621,  653, 685, 717, 749,
    781, 813, 845, 877,  909, 941, 973, 1005, 14,  46,  78,  110,  142, 174, 206, 238,  270, 302, 334, 366,
    398, 430, 462, 494,  526, 558, 590, 622,  654, 686, 718, 750,  782, 814, 846, 878,  910, 942, 974, 1006,
    15,  47,  79,  111,  143, 175, 207, 239,  271, 303, 335, 367,  399, 431, 463, 495,  527, 559, 591, 623,
    655, 687, 719, 751,  783, 815, 847, 879,  911, 943, 975, 1007, 16,  48,  80,  112,  144, 176, 208, 240,
    272, 304, 336, 368,  400, 432, 464, 496,  528, 560, 592, 624,  656, 688, 720, 752,  784, 816, 848, 880,
    912, 944, 976, 1008, 17,  49,  81,  113,  145, 177, 209, 241,  273, 305, 337, 369,  401, 433, 465, 497,
    529, 561, 593, 625,  657, 689, 721, 753,  785, 817, 849, 881,  913, 945, 977, 1009, 18,  50,  82,  114,
    146, 178, 210, 242,  274, 306, 338, 370,  402, 434, 466, 498,  530, 562, 594, 626,  658, 690, 722, 754,
    786, 818, 850, 882,  914, 946, 978, 1010, 19,  51,  83,  115,  147, 179, 211, 243,  275, 307, 339, 371,
    403, 435, 467, 499,  531, 563, 595, 627,  659, 691, 723, 755,  787, 819, 851, 883,  915, 947, 979, 1011,
    20,  52,  84,  116,  148, 180, 212, 244,  276, 308, 340, 372,  404, 436, 468, 500,  532, 564, 596, 628,
    660, 692, 724, 756,  788, 820, 852, 884,  916, 948, 980, 1012, 21,  53,  85,  117,  149, 181, 213, 245,
    277, 309, 341, 373,  405, 437, 469, 501,  533, 565, 597, 629,  661, 693, 725, 757,  789, 821, 853, 885,
    917, 949, 981, 1013, 22,  54,  86,  118,  150, 182, 214, 246,  278, 310, 342, 374,  406, 438, 470, 502,
    534, 566, 598, 630,  662, 694, 726, 758,  790, 822, 854, 886,  918, 950, 982, 1014, 23,  55,  87,  119,
    151, 183, 215, 247,  279, 311, 343, 375,  407, 439, 471, 503,  535, 567, 599, 631,  663, 695, 727, 759,
    791, 823, 855, 887,  919, 951, 983, 1015, 24,  56,  88,  120,  152, 184, 216, 248,  280, 312, 344, 376,
    408, 440, 472, 504,  536, 568, 600, 632,  664, 696, 728, 760,  792, 824, 856, 888,  920, 952, 984, 1016,
    25,  57,  89,  121,  153, 185, 217, 249,  281, 313, 345, 377,  409, 441, 473, 505,  537, 569, 601, 633,
    665, 697, 729, 761,  793, 825, 857, 889,  921, 953, 985, 1017, 26,  58,  90,  122,  154, 186, 218, 250,
    282, 314, 346, 378,  410, 442, 474, 506,  538, 570, 602, 634,  666, 698, 730, 762,  794, 826, 858, 890,
    922, 954, 986, 1018, 27,  59,  91,  123,  155, 187, 219, 251,  283, 315, 347, 379,  411, 443, 475, 507,
    539, 571, 603, 635,  667, 699, 731, 763,  795, 827, 859, 891,  923, 955, 987, 1019, 28,  60,  92,  124,
    156, 188, 220, 252,  284, 316, 348, 380,  412, 444, 476, 508,  540, 572, 604, 636,  668, 700, 732, 764,
    796, 828, 860, 892,  924, 956, 988, 1020, 29,  61,  93,  125,  157, 189, 221, 253,  285, 317, 349, 381,
    413, 445, 477, 509,  541, 573, 605, 637,  669, 701, 733, 765,  797, 829, 861, 893,  925, 957, 989, 1021,
    30,  62,  94,  126,  158, 190, 222, 254,  286, 318, 350, 382,  414, 446, 478, 510,  542, 574, 606, 638,
    670, 702, 734, 766,  798, 830, 862, 894,  926, 958, 990, 1022, 31,  63,  95,  127,  159, 191, 223, 255,
    287, 319, 351, 383,  415, 447, 479, 511,  543, 575, 607, 639,  671, 703, 735, 767,  799, 831, 863, 895,
    927, 959, 991, 1023,
};
DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_32x32[1024]) = {
    0,    1,    2,    3,    4,    5,    6,    7,    8,    9,    10,   11,   12,   13,   14,   15,   16,   17,   18,
    19,   20,   21,   22,   23,   24,   25,   26,   27,   28,   29,   30,   31,   32,   33,   34,   35,   36,   37,
    38,   39,   40,   41,   42,   43,   44,   45,   46,   47,   48,   49,   50,   51,   52,   53,   54,   55,   56,
    57,   58,   59,   60,   61,   62,   63,   64,   65,   66,   67,   68,   69,   70,   71,   72,   73,   74,   75,
    76,   77,   78,   79,   80,   81,   82,   83,   84,   85,   86,   87,   88,   89,   90,   91,   92,   93,   94,
    95,   96,   97,   98,   99,   100,  101,  102,  103,  104,  105,  106,  107,  108,  109,  110,  111,  112,  113,
    114,  115,  116,  117,  118,  119,  120,  121,  122,  123,  124,  125,  126,  127,  128,  129,  130,  131,  132,
    133,  134,  135,  136,  137,  138,  139,  140,  141,  142,  143,  144,  145,  146,  147,  148,  149,  150,  151,
    152,  153,  154,  155,  156,  157,  158,  159,  160,  161,  162,  163,  164,  165,  166,  167,  168,  169,  170,
    171,  172,  173,  174,  175,  176,  177,  178,  179,  180,  181,  182,  183,  184,  185,  186,  187,  188,  189,
    190,  191,  192,  193,  194,  195,  196,  197,  198,  199,  200,  201,  202,  203,  204,  205,  206,  207,  208,
    209,  210,  211,  212,  213,  214,  215,  216,  217,  218,  219,  220,  221,  222,  223,  224,  225,  226,  227,
    228,  229,  230,  231,  232,  233,  234,  235,  236,  237,  238,  239,  240,  241,  242,  243,  244,  245,  246,
    247,  248,  249,  250,  251,  252,  253,  254,  255,  256,  257,  258,  259,  260,  261,  262,  263,  264,  265,
    266,  267,  268,  269,  270,  271,  272,  273,  274,  275,  276,  277,  278,  279,  280,  281,  282,  283,  284,
    285,  286,  287,  288,  289,  290,  291,  292,  293,  294,  295,  296,  297,  298,  299,  300,  301,  302,  303,
    304,  305,  306,  307,  308,  309,  310,  311,  312,  313,  314,  315,  316,  317,  318,  319,  320,  321,  322,
    323,  324,  325,  326,  327,  328,  329,  330,  331,  332,  333,  334,  335,  336,  337,  338,  339,  340,  341,
    342,  343,  344,  345,  346,  347,  348,  349,  350,  351,  352,  353,  354,  355,  356,  357,  358,  359,  360,
    361,  362,  363,  364,  365,  366,  367,  368,  369,  370,  371,  372,  373,  374,  375,  376,  377,  378,  379,
    380,  381,  382,  383,  384,  385,  386,  387,  388,  389,  390,  391,  392,  393,  394,  395,  396,  397,  398,
    399,  400,  401,  402,  403,  404,  405,  406,  407,  408,  409,  410,  411,  412,  413,  414,  415,  416,  417,
    418,  419,  420,  421,  422,  423,  424,  425,  426,  427,  428,  429,  430,  431,  432,  433,  434,  435,  436,
    437,  438,  439,  440,  441,  442,  443,  444,  445,  446,  447,  448,  449,  450,  451,  452,  453,  454,  455,
    456,  457,  458,  459,  460,  461,  462,  463,  464,  465,  466,  467,  468,  469,  470,  471,  472,  473,  474,
    475,  476,  477,  478,  479,  480,  481,  482,  483,  484,  485,  486,  487,  488,  489,  490,  491,  492,  493,
    494,  495,  496,  497,  498,  499,  500,  501,  502,  503,  504,  505,  506,  507,  508,  509,  510,  511,  512,
    513,  514,  515,  516,  517,  518,  519,  520,  521,  522,  523,  524,  525,  526,  527,  528,  529,  530,  531,
    532,  533,  534,  535,  536,  537,  538,  539,  540,  541,  542,  543,  544,  545,  546,  547,  548,  549,  550,
    551,  552,  553,  554,  555,  556,  557,  558,  559,  560,  561,  562,  563,  564,  565,  566,  567,  568,  569,
    570,  571,  572,  573,  574,  575,  576,  577,  578,  579,  580,  581,  582,  583,  584,  585,  586,  587,  588,
    589,  590,  591,  592,  593,  594,  595,  596,  597,  598,  599,  600,  601,  602,  603,  604,  605,  606,  607,
    608,  609,  610,  611,  612,  613,  614,  615,  616,  617,  618,  619,  620,  621,  622,  623,  624,  625,  626,
    627,  628,  629,  630,  631,  632,  633,  634,  635,  636,  637,  638,  639,  640,  641,  642,  643,  644,  645,
    646,  647,  648,  649,  650,  651,  652,  653,  654,  655,  656,  657,  658,  659,  660,  661,  662,  663,  664,
    665,  666,  667,  668,  669,  670,  671,  672,  673,  674,  675,  676,  677,  678,  679,  680,  681,  682,  683,
    684,  685,  686,  687,  688,  689,  690,  691,  692,  693,  694,  695,  696,  697,  698,  699,  700,  701,  702,
    703,  704,  705,  706,  707,  708,  709,  710,  711,  712,  713,  714,  715,  716,  717,  718,  719,  720,  721,
    722,  723,  724,  725,  726,  727,  728,  729,  730,  731,  732,  733,  734,  735,  736,  737,  738,  739,  740,
    741,  742,  743,  744,  745,  746,  747,  748,  749,  750,  751,  752,  753,  754,  755,  756,  757,  758,  759,
    760,  761,  762,  763,  764,  765,  766,  767,  768,  769,  770,  771,  772,  773,  774,  775,  776,  777,  778,
    779,  780,  781,  782,  783,  784,  785,  786,  787,  788,  789,  790,  791,  792,  793,  794,  795,  796,  797,
    798,  799,  800,  801,  802,  803,  804,  805,  806,  807,  808,  809,  810,  811,  812,  813,  814,  815,  816,
    817,  818,  819,  820,  821,  822,  823,  824,  825,  826,  827,  828,  829,  830,  831,  832,  833,  834,  835,
    836,  837,  838,  839,  840,  841,  842,  843,  844,  845,  846,  847,  848,  849,  850,  851,  852,  853,  854,
    855,  856,  857,  858,  859,  860,  861,  862,  863,  864,  865,  866,  867,  868,  869,  870,  871,  872,  873,
    874,  875,  876,  877,  878,  879,  880,  881,  882,  883,  884,  885,  886,  887,  888,  889,  890,  891,  892,
    893,  894,  895,  896,  897,  898,  899,  900,  901,  902,  903,  904,  905,  906,  907,  908,  909,  910,  911,
    912,  913,  914,  915,  916,  917,  918,  919,  920,  921,  922,  923,  924,  925,  926,  927,  928,  929,  930,
    931,  932,  933,  934,  935,  936,  937,  938,  939,  940,  941,  942,  943,  944,  945,  946,  947,  948,  949,
    950,  951,  952,  953,  954,  955,  956,  957,  958,  959,  960,  961,  962,  963,  964,  965,  966,  967,  968,
    969,  970,  971,  972,  973,  974,  975,  976,  977,  978,  979,  980,  981,  982,  983,  984,  985,  986,  987,
    988,  989,  990,  991,  992,  993,  994,  995,  996,  997,  998,  999,  1000, 1001, 1002, 1003, 1004, 1005, 1006,
    1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023,
};
DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_32x32[1024]) = {
    0,    1,    5,    6,    14,   15,  27,  28,  44,  45,  65,   66,   90,   91,   119,  120, 152, 153, 189, 190, 230,
    231,  275,  276,  324,  325,  377, 378, 434, 435, 495, 496,  2,    4,    7,    13,   16,  26,  29,  43,  46,  64,
    67,   89,   92,   118,  121,  151, 154, 188, 191, 229, 232,  274,  277,  323,  326,  376, 379, 433, 436, 494, 497,
    558,  3,    8,    12,   17,   25,  30,  42,  47,  63,  68,   88,   93,   117,  122,  150, 155, 187, 192, 228, 233,
    273,  278,  322,  327,  375,  380, 432, 437, 493, 498, 557,  559,  9,    11,   18,   24,  31,  41,  48,  62,  69,
    87,   94,   116,  123,  149,  156, 186, 193, 227, 234, 272,  279,  321,  328,  374,  381, 431, 438, 492, 499, 556,
    560,  617,  10,   19,   23,   32,  40,  49,  61,  70,  86,   95,   115,  124,  148,  157, 185, 194, 226, 235, 271,
    280,  320,  329,  373,  382,  430, 439, 491, 500, 555, 561,  616,  618,  20,   22,   33,  39,  50,  60,  71,  85,
    96,   114,  125,  147,  158,  184, 195, 225, 236, 270, 281,  319,  330,  372,  383,  429, 440, 490, 501, 554, 562,
    615,  619,  672,  21,   34,   38,  51,  59,  72,  84,  97,   113,  126,  146,  159,  183, 196, 224, 237, 269, 282,
    318,  331,  371,  384,  428,  441, 489, 502, 553, 563, 614,  620,  671,  673,  35,   37,  52,  58,  73,  83,  98,
    112,  127,  145,  160,  182,  197, 223, 238, 268, 283, 317,  332,  370,  385,  427,  442, 488, 503, 552, 564, 613,
    621,  670,  674,  723,  36,   53,  57,  74,  82,  99,  111,  128,  144,  161,  181,  198, 222, 239, 267, 284, 316,
    333,  369,  386,  426,  443,  487, 504, 551, 565, 612, 622,  669,  675,  722,  724,  54,  56,  75,  81,  100, 110,
    129,  143,  162,  180,  199,  221, 240, 266, 285, 315, 334,  368,  387,  425,  444,  486, 505, 550, 566, 611, 623,
    668,  676,  721,  725,  770,  55,  76,  80,  101, 109, 130,  142,  163,  179,  200,  220, 241, 265, 286, 314, 335,
    367,  388,  424,  445,  485,  506, 549, 567, 610, 624, 667,  677,  720,  726,  769,  771, 77,  79,  102, 108, 131,
    141,  164,  178,  201,  219,  242, 264, 287, 313, 336, 366,  389,  423,  446,  484,  507, 548, 568, 609, 625, 666,
    678,  719,  727,  768,  772,  813, 78,  103, 107, 132, 140,  165,  177,  202,  218,  243, 263, 288, 312, 337, 365,
    390,  422,  447,  483,  508,  547, 569, 608, 626, 665, 679,  718,  728,  767,  773,  812, 814, 104, 106, 133, 139,
    166,  176,  203,  217,  244,  262, 289, 311, 338, 364, 391,  421,  448,  482,  509,  546, 570, 607, 627, 664, 680,
    717,  729,  766,  774,  811,  815, 852, 105, 134, 138, 167,  175,  204,  216,  245,  261, 290, 310, 339, 363, 392,
    420,  449,  481,  510,  545,  571, 606, 628, 663, 681, 716,  730,  765,  775,  810,  816, 851, 853, 135, 137, 168,
    174,  205,  215,  246,  260,  291, 309, 340, 362, 393, 419,  450,  480,  511,  544,  572, 605, 629, 662, 682, 715,
    731,  764,  776,  809,  817,  850, 854, 887, 136, 169, 173,  206,  214,  247,  259,  292, 308, 341, 361, 394, 418,
    451,  479,  512,  543,  573,  604, 630, 661, 683, 714, 732,  763,  777,  808,  818,  849, 855, 886, 888, 170, 172,
    207,  213,  248,  258,  293,  307, 342, 360, 395, 417, 452,  478,  513,  542,  574,  603, 631, 660, 684, 713, 733,
    762,  778,  807,  819,  848,  856, 885, 889, 918, 171, 208,  212,  249,  257,  294,  306, 343, 359, 396, 416, 453,
    477,  514,  541,  575,  602,  632, 659, 685, 712, 734, 761,  779,  806,  820,  847,  857, 884, 890, 917, 919, 209,
    211,  250,  256,  295,  305,  344, 358, 397, 415, 454, 476,  515,  540,  576,  601,  633, 658, 686, 711, 735, 760,
    780,  805,  821,  846,  858,  883, 891, 916, 920, 945, 210,  251,  255,  296,  304,  345, 357, 398, 414, 455, 475,
    516,  539,  577,  600,  634,  657, 687, 710, 736, 759, 781,  804,  822,  845,  859,  882, 892, 915, 921, 944, 946,
    252,  254,  297,  303,  346,  356, 399, 413, 456, 474, 517,  538,  578,  599,  635,  656, 688, 709, 737, 758, 782,
    803,  823,  844,  860,  881,  893, 914, 922, 943, 947, 968,  253,  298,  302,  347,  355, 400, 412, 457, 473, 518,
    537,  579,  598,  636,  655,  689, 708, 738, 757, 783, 802,  824,  843,  861,  880,  894, 913, 923, 942, 948, 967,
    969,  299,  301,  348,  354,  401, 411, 458, 472, 519, 536,  580,  597,  637,  654,  690, 707, 739, 756, 784, 801,
    825,  842,  862,  879,  895,  912, 924, 941, 949, 966, 970,  987,  300,  349,  353,  402, 410, 459, 471, 520, 535,
    581,  596,  638,  653,  691,  706, 740, 755, 785, 800, 826,  841,  863,  878,  896,  911, 925, 940, 950, 965, 971,
    986,  988,  350,  352,  403,  409, 460, 470, 521, 534, 582,  595,  639,  652,  692,  705, 741, 754, 786, 799, 827,
    840,  864,  877,  897,  910,  926, 939, 951, 964, 972, 985,  989,  1002, 351,  404,  408, 461, 469, 522, 533, 583,
    594,  640,  651,  693,  704,  742, 753, 787, 798, 828, 839,  865,  876,  898,  909,  927, 938, 952, 963, 973, 984,
    990,  1001, 1003, 405,  407,  462, 468, 523, 532, 584, 593,  641,  650,  694,  703,  743, 752, 788, 797, 829, 838,
    866,  875,  899,  908,  928,  937, 953, 962, 974, 983, 991,  1000, 1004, 1013, 406,  463, 467, 524, 531, 585, 592,
    642,  649,  695,  702,  744,  751, 789, 796, 830, 837, 867,  874,  900,  907,  929,  936, 954, 961, 975, 982, 992,
    999,  1005, 1012, 1014, 464,  466, 525, 530, 586, 591, 643,  648,  696,  701,  745,  750, 790, 795, 831, 836, 868,
    873,  901,  906,  930,  935,  955, 960, 976, 981, 993, 998,  1006, 1011, 1015, 1020, 465, 526, 529, 587, 590, 644,
    647,  697,  700,  746,  749,  791, 794, 832, 835, 869, 872,  902,  905,  931,  934,  956, 959, 977, 980, 994, 997,
    1007, 1010, 1016, 1019, 1021, 527, 528, 588, 589, 645, 646,  698,  699,  747,  748,  792, 793, 833, 834, 870, 871,
    903,  904,  932,  933,  957,  958, 978, 979, 995, 996, 1008, 1009, 1017, 1018, 1022, 1023};

static const ScanOrder av1_scan_orders[TX_SIZES_ALL][TX_TYPES] = {
    {
        // TX_4X4
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors},
        {mrow_scan_4x4, av1_mrow_iscan_4x4, mrow_scan_4x4_neighbors},
        {mcol_scan_4x4, av1_mcol_iscan_4x4, mcol_scan_4x4_neighbors},
        {mrow_scan_4x4, av1_mrow_iscan_4x4, mrow_scan_4x4_neighbors},
        {mcol_scan_4x4, av1_mcol_iscan_4x4, mcol_scan_4x4_neighbors},
        {mrow_scan_4x4, av1_mrow_iscan_4x4, mrow_scan_4x4_neighbors},
        {mcol_scan_4x4, av1_mcol_iscan_4x4, mcol_scan_4x4_neighbors},
    },
    {
        // TX_8X8
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors},
        {mrow_scan_8x8, av1_mrow_iscan_8x8, mrow_scan_8x8_neighbors},
        {mcol_scan_8x8, av1_mcol_iscan_8x8, mcol_scan_8x8_neighbors},
        {mrow_scan_8x8, av1_mrow_iscan_8x8, mrow_scan_8x8_neighbors},
        {mcol_scan_8x8, av1_mcol_iscan_8x8, mcol_scan_8x8_neighbors},
        {mrow_scan_8x8, av1_mrow_iscan_8x8, mrow_scan_8x8_neighbors},
        {mcol_scan_8x8, av1_mcol_iscan_8x8, mcol_scan_8x8_neighbors},
    },
    {
        // TX_16X16
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors},
        {mrow_scan_16x16, av1_mrow_iscan_16x16, mrow_scan_16x16_neighbors},
        {mcol_scan_16x16, av1_mcol_iscan_16x16, mcol_scan_16x16_neighbors},
        {mrow_scan_16x16, av1_mrow_iscan_16x16, mrow_scan_16x16_neighbors},
        {mcol_scan_16x16, av1_mcol_iscan_16x16, mcol_scan_16x16_neighbors},
        {mrow_scan_16x16, av1_mrow_iscan_16x16, mrow_scan_16x16_neighbors},
        {mcol_scan_16x16, av1_mcol_iscan_16x16, mcol_scan_16x16_neighbors},
    },
    {
        // TX_32X32
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
    },
    {
        // TX_64X64
        // Half of the coefficients of tx64 at higher frequencies are set to
        // zeros. So tx32's scan order is used.
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
    },
    {
        // TX_4X8
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors},
        {mrow_scan_4x8, av1_mrow_iscan_4x8, mrow_scan_4x8_neighbors},
        {mcol_scan_4x8, av1_mcol_iscan_4x8, mcol_scan_4x8_neighbors},
        {mrow_scan_4x8, av1_mrow_iscan_4x8, mrow_scan_4x8_neighbors},
        {mcol_scan_4x8, av1_mcol_iscan_4x8, mcol_scan_4x8_neighbors},
        {mrow_scan_4x8, av1_mrow_iscan_4x8, mrow_scan_4x8_neighbors},
        {mcol_scan_4x8, av1_mcol_iscan_4x8, mcol_scan_4x8_neighbors},
    },
    {
        // TX_8X4
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors},
        {mrow_scan_8x4, av1_mrow_iscan_8x4, mrow_scan_8x4_neighbors},
        {mcol_scan_8x4, av1_mcol_iscan_8x4, mcol_scan_8x4_neighbors},
        {mrow_scan_8x4, av1_mrow_iscan_8x4, mrow_scan_8x4_neighbors},
        {mcol_scan_8x4, av1_mcol_iscan_8x4, mcol_scan_8x4_neighbors},
        {mrow_scan_8x4, av1_mrow_iscan_8x4, mrow_scan_8x4_neighbors},
        {mcol_scan_8x4, av1_mcol_iscan_8x4, mcol_scan_8x4_neighbors},
    },
    {
        // TX_8X16
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {default_scan_8x16, av1_default_iscan_8x16, default_scan_8x16_neighbors},
        {mrow_scan_8x16, av1_mrow_iscan_8x16, mrow_scan_8x16_neighbors},
        {mcol_scan_8x16, av1_mcol_iscan_8x16, mcol_scan_8x16_neighbors},
        {mrow_scan_8x16, av1_mrow_iscan_8x16, mrow_scan_8x16_neighbors},
        {mcol_scan_8x16, av1_mcol_iscan_8x16, mcol_scan_8x16_neighbors},
        {mrow_scan_8x16, av1_mrow_iscan_8x16, mrow_scan_8x16_neighbors},
        {mcol_scan_8x16, av1_mcol_iscan_8x16, mcol_scan_8x16_neighbors},
    },
    {
        // TX_16X8
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {default_scan_16x8, av1_default_iscan_16x8, default_scan_16x8_neighbors},
        {mrow_scan_16x8, av1_mrow_iscan_16x8, mrow_scan_16x8_neighbors},
        {mcol_scan_16x8, av1_mcol_iscan_16x8, mcol_scan_16x8_neighbors},
        {mrow_scan_16x8, av1_mrow_iscan_16x8, mrow_scan_16x8_neighbors},
        {mcol_scan_16x8, av1_mcol_iscan_16x8, mcol_scan_16x8_neighbors},
        {mrow_scan_16x8, av1_mrow_iscan_16x8, mrow_scan_16x8_neighbors},
        {mcol_scan_16x8, av1_mcol_iscan_16x8, mcol_scan_16x8_neighbors},
    },
    {
        // TX_16X32
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors},
        {mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors},
        {mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors},
        {mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors},
        {mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors},
        {mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors},
    },
    {
        // TX_32X16
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors},
        {mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors},
        {mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors},
        {mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors},
        {mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors},
        {mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors},
    },
    {
        // TX_32X64
        // Half of the coefficients of tx64 at higher frequencies are set to
        // zeros. So tx32's scan order is used.
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
    },
    {
        // TX_64X32
        // Half of the coefficients of tx64 at higher frequencies are set to
        // zeros. So tx32's scan order is used.
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
        {mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors},
        {mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors},
    },
    {
        // TX_4X16
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {default_scan_4x16, av1_default_iscan_4x16, default_scan_4x16_neighbors},
        {mrow_scan_4x16, av1_mrow_iscan_4x16, mrow_scan_4x16_neighbors},
        {mcol_scan_4x16, av1_mcol_iscan_4x16, mcol_scan_4x16_neighbors},
        {mrow_scan_4x16, av1_mrow_iscan_4x16, mrow_scan_4x16_neighbors},
        {mcol_scan_4x16, av1_mcol_iscan_4x16, mcol_scan_4x16_neighbors},
        {mrow_scan_4x16, av1_mrow_iscan_4x16, mrow_scan_4x16_neighbors},
        {mcol_scan_4x16, av1_mcol_iscan_4x16, mcol_scan_4x16_neighbors},
    },
    {
        // TX_16X4
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {default_scan_16x4, av1_default_iscan_16x4, default_scan_16x4_neighbors},
        {mrow_scan_16x4, av1_mrow_iscan_16x4, mrow_scan_16x4_neighbors},
        {mcol_scan_16x4, av1_mcol_iscan_16x4, mcol_scan_16x4_neighbors},
        {mrow_scan_16x4, av1_mrow_iscan_16x4, mrow_scan_16x4_neighbors},
        {mcol_scan_16x4, av1_mcol_iscan_16x4, mcol_scan_16x4_neighbors},
        {mrow_scan_16x4, av1_mrow_iscan_16x4, mrow_scan_16x4_neighbors},
        {mcol_scan_16x4, av1_mcol_iscan_16x4, mcol_scan_16x4_neighbors},
    },
    {
        // TX_8X32
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {default_scan_8x32, av1_default_iscan_8x32, default_scan_8x32_neighbors},
        {mrow_scan_8x32, av1_mrow_iscan_8x32, mrow_scan_8x32_neighbors},
        {mcol_scan_8x32, av1_mcol_iscan_8x32, mcol_scan_8x32_neighbors},
        {mrow_scan_8x32, av1_mrow_iscan_8x32, mrow_scan_8x32_neighbors},
        {mcol_scan_8x32, av1_mcol_iscan_8x32, mcol_scan_8x32_neighbors},
        {mrow_scan_8x32, av1_mrow_iscan_8x32, mrow_scan_8x32_neighbors},
        {mcol_scan_8x32, av1_mcol_iscan_8x32, mcol_scan_8x32_neighbors},
    },
    {
        // TX_32X8
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {default_scan_32x8, av1_default_iscan_32x8, default_scan_32x8_neighbors},
        {mrow_scan_32x8, av1_mrow_iscan_32x8, mrow_scan_32x8_neighbors},
        {mcol_scan_32x8, av1_mcol_iscan_32x8, mcol_scan_32x8_neighbors},
        {mrow_scan_32x8, av1_mrow_iscan_32x8, mrow_scan_32x8_neighbors},
        {mcol_scan_32x8, av1_mcol_iscan_32x8, mcol_scan_32x8_neighbors},
        {mrow_scan_32x8, av1_mrow_iscan_32x8, mrow_scan_32x8_neighbors},
        {mcol_scan_32x8, av1_mcol_iscan_32x8, mcol_scan_32x8_neighbors},
    },
    {
        // TX_16X64
        // Half of the coefficients of tx64 at higher frequencies are set to
        // zeros. So tx32's scan order is used.
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {default_scan_16x32, av1_default_iscan_16x32, default_scan_16x32_neighbors},
        {mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors},
        {mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors},
        {mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors},
        {mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors},
        {mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors},
        {mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors},
    },
    {
        // TX_64X16
        // Half of the coefficients of tx64 at higher frequencies are set to
        // zeros. So tx32's scan order is used.
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {default_scan_32x16, av1_default_iscan_32x16, default_scan_32x16_neighbors},
        {mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors},
        {mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors},
        {mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors},
        {mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors},
        {mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors},
        {mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors},
    },
};

static const int32_t tx_size_2d[TX_SIZES_ALL + 1] = {
    16, 64, 256, 1024, 4096, 32, 32, 128, 128, 512, 512, 2048, 2048, 64, 64, 256, 256, 1024, 1024,
};

static inline int32_t av1_get_tx_scale(const TxSize tx_size) {
    const int32_t pels = tx_size_2d[tx_size];
    // Largest possible pels is 4096 (64x64).
    return (pels > 256) + (pels > 1024);
}

// The ctx offset table when TX is TX_CLASS_2D.
// TX col and row indices are clamped to 4

static const int8_t eb_av1_nz_map_ctx_offset_4x4[16] = {
    0,
    1,
    6,
    6,
    1,
    6,
    6,
    21,
    6,
    6,
    21,
    21,
    6,
    21,
    21,
    21,
};

static const int8_t eb_av1_nz_map_ctx_offset_8x8[64] = {
    0,  1,  6,  6,  21, 21, 21, 21, 1,  6,  6,  21, 21, 21, 21, 21, 6,  6,  21, 21, 21, 21,
    21, 21, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_16x16[256] = {
    0,  1,  6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1,  6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_32x32[1024] = {
    0,  1,  6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 1,  6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_8x4[32] = {
    0,  16, 6,  6,  21, 21, 21, 21, 16, 16, 6,  21, 21, 21, 21, 21,
    16, 16, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_16x8[128] = {
    0,  16, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 6,  21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_16x32[512] = {
    0,  11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_32x16[512] = {
    0,  16, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 16, 16, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_32x64[1024] = {
    0,  11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
    11, 11, 11, 11, 11, 11, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_64x32[1024] = {
    0,  16, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 16, 16, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16,
    16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_4x16[64] = {
    0,  11, 11, 11, 11, 11, 11, 11, 6,  6,  21, 21, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_16x4[64] = {
    0,  16, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 6,  21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_8x32[256] = {
    0,  11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6,  6,  21, 21, 21, 21, 21, 21, 6,  21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t eb_av1_nz_map_ctx_offset_32x8[256] = {
    0,  16, 6,  6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 16, 16, 6,  21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 16, 16, 21, 21, 21, 21, 21, 21,
    21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
};

static const int8_t *eb_av1_nz_map_ctx_offset[19] = {
    eb_av1_nz_map_ctx_offset_4x4, // TX_4x4
    eb_av1_nz_map_ctx_offset_8x8, // TX_8x8
    eb_av1_nz_map_ctx_offset_16x16, // TX_16x16
    eb_av1_nz_map_ctx_offset_32x32, // TX_32x32
    eb_av1_nz_map_ctx_offset_32x32, // TX_32x32
    eb_av1_nz_map_ctx_offset_4x16, // TX_4x8
    eb_av1_nz_map_ctx_offset_8x4, // TX_8x4
    eb_av1_nz_map_ctx_offset_8x32, // TX_8x16
    eb_av1_nz_map_ctx_offset_16x8, // TX_16x8
    eb_av1_nz_map_ctx_offset_16x32, // TX_16x32
    eb_av1_nz_map_ctx_offset_32x16, // TX_32x16
    eb_av1_nz_map_ctx_offset_32x64, // TX_32x64
    eb_av1_nz_map_ctx_offset_64x32, // TX_64x32
    eb_av1_nz_map_ctx_offset_4x16, // TX_4x16
    eb_av1_nz_map_ctx_offset_16x4, // TX_16x4
    eb_av1_nz_map_ctx_offset_8x32, // TX_8x32
    eb_av1_nz_map_ctx_offset_32x8, // TX_32x8
    eb_av1_nz_map_ctx_offset_16x32, // TX_16x64
    eb_av1_nz_map_ctx_offset_64x32, // TX_64x16
};

static INLINE int get_lower_levels_ctx_eob(int bwl, int height, int scan_idx) {
    if (scan_idx == 0)
        return 0;
    if (scan_idx <= (height << bwl) / 8)
        return 1;
    if (scan_idx <= (height << bwl) / 4)
        return 2;
    return 3;
}

static AOM_FORCE_INLINE int get_br_ctx_eob(const int c, // raster order
                                           const int bwl, const TxClass tx_class) {
    const int row = c >> bwl;
    const int col = c - (row << bwl);
    if (c == 0)
        return 0;
    if ((tx_class == TX_CLASS_2D && row < 2 && col < 2) || (tx_class == TX_CLASS_HORIZ && col == 0) ||
        (tx_class == TX_CLASS_VERT && row == 0))
        return 7;
    return 14;
}

static const uint8_t clip_max3[256] = {
    0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
    3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3};

static INLINE int get_padded_idx(const int idx, const int bwl) { return idx + ((idx >> bwl) << TX_PAD_HOR_LOG2); }

static AOM_FORCE_INLINE int get_nz_mag(const uint8_t *const levels, const int bwl, const TxClass tx_class) {
    int mag;

    // Note: AOMMIN(level, 3) is useless for decoder since level < 3.
    mag = clip_max3[levels[1]]; // { 0, 1 }
    mag += clip_max3[levels[(1 << bwl) + TX_PAD_HOR]]; // { 1, 0 }

    if (tx_class == TX_CLASS_2D) {
        mag += clip_max3[levels[(1 << bwl) + TX_PAD_HOR + 1]]; // { 1, 1 }
        mag += clip_max3[levels[2]]; // { 0, 2 }
        mag += clip_max3[levels[(2 << bwl) + (2 << TX_PAD_HOR_LOG2)]]; // { 2, 0 }
    } else if (tx_class == TX_CLASS_VERT) {
        mag += clip_max3[levels[(2 << bwl) + (2 << TX_PAD_HOR_LOG2)]]; // { 2, 0 }
        mag += clip_max3[levels[(3 << bwl) + (3 << TX_PAD_HOR_LOG2)]]; // { 3, 0 }
        mag += clip_max3[levels[(4 << bwl) + (4 << TX_PAD_HOR_LOG2)]]; // { 4, 0 }
    } else {
        mag += clip_max3[levels[2]]; // { 0, 2 }
        mag += clip_max3[levels[3]]; // { 0, 3 }
        mag += clip_max3[levels[4]]; // { 0, 4 }
    }

    return mag;
}

static AOM_FORCE_INLINE int get_nz_map_ctx_from_stats(const int stats,
                                                      const int coeff_idx, // raster order
                                                      const int bwl, const TxSize tx_size, const TxClass tx_class) {
    // tx_class == 0(TX_CLASS_2D)
    if ((tx_class | coeff_idx) == 0)
        return 0;
    int ctx = (stats + 1) >> 1;
    ctx     = AOMMIN(ctx, 4);
    switch (tx_class) {
    case TX_CLASS_2D: {
        // This is the algorithm to generate eb_av1_nz_map_ctx_offset[][]
        //   const int width = tx_size_wide[tx_size];
        //   const int height = tx_size_high[tx_size];
        //   if (width < height) {
        //     if (row < 2) return 11 + ctx;
        //   } else if (width > height) {
        //     if (col < 2) return 16 + ctx;
        //   }
        //   if (row + col < 2) return ctx + 1;
        //   if (row + col < 4) return 5 + ctx + 1;
        //   return 21 + ctx;
        return ctx + eb_av1_nz_map_ctx_offset[tx_size][coeff_idx];
    }
    case TX_CLASS_HORIZ: {
        const int row = coeff_idx >> bwl;
        const int col = coeff_idx - (row << bwl);
        return ctx + nz_map_ctx_offset_1d[col];
    }
    case TX_CLASS_VERT: {
        const int row = coeff_idx >> bwl;
        return ctx + nz_map_ctx_offset_1d[row];
    }
    default: break;
    }
    return 0;
}

static AOM_FORCE_INLINE int get_lower_levels_ctx(const uint8_t *levels, int coeff_idx, int bwl, TxSize tx_size,
                                                 TxClass tx_class) {
    const int stats = get_nz_mag(levels + get_padded_idx(coeff_idx, bwl), bwl, tx_class);
    return get_nz_map_ctx_from_stats(stats, coeff_idx, bwl, tx_size, tx_class);
}

#ifdef __cplusplus
}
#endif

#endif // EbCoefficients_h
